VII. DISEASES OF THE CIRCULATORY SYSTEM ACUTE RHEUMATIC FEVER (390-392) 390 Rheumatic fever without mention of heart involvement Arthritis, rheumatic, acute or subacute Rheumatic fever (active) (acute) Rheumatism, articular, acute or subacute 391 Rheumatic fever with heart involvement Excludes: chronic heart diseases of rheumatic origin (393-398) unless rheumatic fever is also present or there is evidence of recrudescence or activity of the rheumatic process. 391.0 Acute rheumatic pericarditis Rheumatic pericarditis (acute) Any condition in 390 with pericarditis Excludes: when not specified as rheumatic (420.-) 391.1 Acute rheumatic endocarditis Rheumatic: endocarditis, acute valvulitis acute Any condition in 390 with endocarditis or valvulitis 391.2 Acute rheumatic myocarditis Any condition in 390 with myocarditis 391.8 Other acute rheumatic heart disease Rheumatic pancarditis, acute Any condition in 390 with other or multiple types of heart involvement 391.9 Acute rheumatic heart disease, unspecified Rheumatic: carditis, acute heart disease, active or acute Any condition in 390 with unspecified type of heart involvement 392 Rheumatic chorea Includes: Sydenham's chorea Excludes: Chorea: NOS (333.5) Huntington's (333.4) ICD-9/Ch07.TXT - pg. 1 392.0 With heart involvement Rheumatic chorea with heart involvement of any type classifiable under 391.- 392.9 Without mention of heart involvement CHRONIC RHEUMATIC HEART DISEASE (393-398) 393 Chronic rheumatic pericarditis Adherent pericardium, rheumatic Chronic rheumatic: mediastinopericarditis myopericarditis Excludes: when not specified as rheumatic (423.9) 394 Diseases of mitral valve 394.0 Mitral stenosis Mitral (valve) obstruction (rheumatic) 394.1 Rheumatic mitral insufficiency Rheumatic mitral: Rheumatic mitral: incompetence regurgitation Excludes: when not specified as rheumatic (424.0) 394.2 Mitral stenosis with insufficiency Mitral stenosis with incompetence or regurgitation 394.9 Other and unspecified Mitral (valve): Mitral (valve): disease (chronic) failure 395 Diseases of aortic valve Excludes: when not specified as rheumatic (424.1) 395.0 Rheumatic aortic stenosis Rheumatic aortic (valve) obstruction 395.1 Rheumatic aortic insufficiency Rheumatic aortic: incompetence regurgitation ICD-9/Ch07.TXT - pg. 2 395.2 Rheumatic aortic stenosis with insufficiency Rheumatic aortic stenosis with incompetence or regurgitation 395.9 Other and unspecified Rheumatic aortic (valve) disease 396 Diseases of mitral and aortic valves Involvement of both mitral and aortic valves whether specified as rheumatic or not 397 Diseases of other endocardial structures 397.0 Diseases of tricuspid valve Tricuspid (valve) (rheumatic): disease obstruction stenosis 397.1 Rheumatic diseases of pulmonary valve Excludes: when not specified as rheumatic (424.3) 397.9 Rheumatic diseases of endocardium, valve unspecified Rheumatic: endocarditis (chronic) valvulitis (chronic) Excludes: when not specified as rheumatic (424.9) 398 Other rheumatic heart disease 398.0 Rheumatic myocarditis Excludes: myocarditis not specified as rheumatic (429.0) 398.9 Other and unspecified Rheumatic: carditis heart disease NOS Excludes: carditis not specified as rheumatic (429.8) heart disease NOS not specified as rheumatic (429.9) HYPERTENSIVE DISEASE (401-404) The following fourth-digit subdivisions are for use with categories 401-404: ICD-9/Ch07.TXT - pg. 3 .0 Specified as malignant .1 Specified as benign .9 Not specified as malignant or benign Excludes: when complicating pregnancy, childbirth, or the puerperium (642.-) when involving coronary vessels (410-414) 401 Essential hypertension [See 401-404 for fourth-digit subdivisions.] Includes: high blood pressure hyperpiesia hyperpiesis hypertension (arterial) (essential) (primary) (systemic) Excludes: when involving vessels of: brain (430-438) eye (362.1) 402 Hypertensive heart disease [See 401-404 for fourth-digit subdivisions.] Includes: hypertensive heart (disease) (failure) any condition in 428, 429.0-429.3, 429.8, 429.9 due to hypertension 403 Hypertensive renal disease [See 401-404 for fourth-digit subdivisions.] Includes: arteriolar nephritis arteriosclerosis of kidney arteriosclerotic nephritis (chronic) (interstitial) hypertensive: nephropathy renal failure nephrosclerosis any condition in 585, 586, or 587 with any condition in 401 404 Hypertensive heart and renal disease [See 401-404 for fourth-digit subdivisions.] Includes: disease: cardiorenal cardiovascular renal any condition in 402.- with any condition in 403.- ISCHEMIC HEART DISEASE (410-414) Includes: mention of hypertension (conditions in 401-404) ICD-9/Ch07.TXT - pg. 4 Use additional code, if desired, to identify presence of hypertension 410 Acute myocardial infarction Cardiac infarction Rupture: Coronary (artery): heart embolism myocardium occlusion Subendocrdial infarction rupture Any condition in 414.1-414.9 specified thrombosis as acute or with a stated duration Infarction: of 8 weeks or less heart myocardium ventricle 411 Other acute and subacute forms of ischemic heart disease Coronary: Microinfarct of heart failure Preinfarction syndrome insufficiency (acute) Postmyocardial infarction or Intermediate coronary syndrome Dressler's syndrome 412 Old myocardial infarction Healed myocardial infarction Past myocardial infarction diagnosed on ECG or other special investigation, but currently presenting no symptoms 413 Angina pectoris Angina: Anginal syndrome NOS Stenocardia cardiac decubitus of effort 414 Other forms of chronic ischemic heart disease Excludes: cardiovascular arteriosclerosis, degeneration, disease or sclerosis (429.2) 414.0 Coronary atherosclerosis Atherosclerotic heart disease Coronary atheroma Coronary (artery) sclerosis 414.1 Aneurysm of heart Aneurysm: coronary mural ventricular aneurysm ICD-9/Ch07.TXT - pg. 5 414.8 Other Ischemia, myocardial (chronic) Any condition in 410 specified as chronic, or with a stated duration of over 8 weeks 414.9 Unspecified Ischemic heart disease NOS DISEASES OF PULMONARY CIRCULATION (415-417) 415 Acute pulmonary heart disease 415.0 Acute cor pulmonale 415.1 Pulmonary embolism Pulmonary (artery) (vein): apoplexy infarction (hemorrhagic) thrombosis Excludes: when complicating: abortion (634-638 with fourth digit .6, 639.6) ectopic or molar pregnancy (639.6) pregnancy, childbirth, or the puerperium (673.-) 416 Chronic pulmonary heart disease 416.0 Primary pulmonary hypertension Pulmonary hypertension (idiopathic) (primary) 416.1 Kyphoscoliotic heart disease 416.8 Other 416.9 Pulmonary heart disease, unspecified Chronic cardiopulmonary disease Cor pulmonale (chronic) NOS 417 Other diseases of pulmonary circulation 417.0 Arteriovenous fistula of pulmonary vessels 417.1 Aneurysm of pulmonary artery 417.8 Other Rupture of pulmonary vessel Stricture of pulmonary vessel ICD-9/Ch07.TXT - pg. 6 417.9 Unspecified OTHER FORMS OF HEART DISEASE (420-429) 420 Acute pericarditis Includes: acute: mediastinopericarditis myopericarditis pericardial effusion pleuropericarditis pneumopericarditis 420.9 Other and unspecified acute pericarditis Pericarditis: Pericarditis: infective streptococcal pneumococcal viral purulent Pyopericarditis staphylococcal 421 Acute and subacute endocarditis 421.0 Acute and subacute bacterial endocarditis Endocarditis (acute) (chronic) (subacute): bacterial infective NOS lenta malignant septic ulcerative vegetative Infective aneurysm Use additional code, if desired, to identify infectious organism [e.g., Streptococcus 041.0, Staphylococcus 041.1] 421.9 Acute endocarditis, unspecified Endocarditis, acute or subacute Myoendocarditis, acute or subacute Periendocarditis, acute or subacute Excludes: acute rheumatic endocarditis (391.1) 422 Acute myocarditis 422.9 Other and unspecified acute myocarditis Acute or subacute Septic myocarditis (interstitial) myocarditis Toxic myocarditis ICD-9/Ch07.TXT - pg. 7 423 Other diseases of pericardium Excludes: when specified as rheumatic (393) 423.0 Hemopericardium 423.1 Adhesive pericarditis Adherent pericardium 423.2 Constrictive pericarditis 423.8 Other 423.9 Unspecified 424 Other diseases of endocardium 424.0 Mitral valve disorders Mitral (valve): incompetence NOS of specified cause, except rheumatic insufficiency NOS of specified cause, except rheumatic regurgitation NOS of specifiedcause, except rheumatic Excludes: mitral (valve): disease (394.9) failure (394.9) stenosis (394.0) the listed conditions: when specified as rheumatic (394.1) when of unspecified cause but with mention of: diseases of aortic valve (396) mitral stenosis or obstruction (394.2) 424.1 Aortic valve disorders Aortic (valve): } incompetence } NOS insufficiency } of specified cause, regurgitation } except rheumatic stenosis } Excludes: hypertrophic subaortic stenosis (425.1) when specified as rheumatic (395.-) when of unspecified cause but with mention of diseases of mitral valve (396) 424.2 Tricuspid valve disorders, specified as nonrheumatic ICD-9/Ch07.TXT - pg. 8 Tricuspid valve: } incompetence } of specified cause, insufficiency } except rheumatic regurgitation } stenosis } Excludes: when of unspecified cause (397.0) 424.3 Pulmonary valve disorders Pulmonic regurgitation: Pulmonic regurgitation: NOS syphilitic Excludes: when specified as rheumatic (397.1) 424.9 Endocarditis, valve unspecified Endocarditis (chronic ) Valvular: } incompetence } of un- { specified cause, insufficiency } specified { except rheumatic regurgitation } valve { unspecified cause stenosis } Valvulitis (chronic) } Excludes: when specified as rheumatic (397.9) endocardial fibroelastocis (425.3) 425 Cardiomyopathy Includes: myocardiopathy Excludes: cardiomyopathy arising during pregnancy or the puerperium (674.8) 425.0 Endomyocardial fibrosis 425.1 Hypertrophic obstructive cardiomyopathy Hypertrophic subaortic stenosis 425.2 Obscure cardiomyopathy of Africa Becker's disease 425.3 Endocardial fibroelastosis 425.4 Other primary cardiomyopathies Cardiovascular collagenosis Cardiomyopathy: Cardiomyopathy: NOS hypertrophic nonobstructive constrictive idiopathic familial obstructive ICD-9/Ch07.TXT - pg. 9 425.5 Alcoholic cardiomyopathy 425.9 Secondary cardiomyopathy, unspecified 426 Conduction disorders 426.0 Atrioventricular block, complete 426.1 Atrioventricular block, other and unspecified Atrioventricular block NOS Wenkebach's phenomenon (incomplete) (partial) Incomplete atrioventricular block 426.2 Left bundle branch hemiblock 426.3 Other left bundle branch block 426.4 Right bundle branch block 426.5 Bundle branch block, unspecified 426.6 Other heart block Sinoatrial block Sinoauricular block 426.7 Anomalous atrioventricular excitation Atrioventricular conduction: Wolff-Parkinson-White syndrome accelerated accessory pre-excitation 426.8 Other specified conduction disorders Atrioventricular [AV] Interference dissociation dissociation Lown-Ganong-Levine syndrome 426.9 Unspecified Heart block NOS Stokes-Adams syndrome 427 Cardiac dysrhythmias Excludes: postoperative (997.1) when attributable to medical care for abortion, ectopic or molar pregnancy, labor or delivery (634-638 with fourth digit .7, 639.8, 668.1, 669.4) 427.0 Paroxysmal supraventricular tachycardia Paroxysmal tachycardia: Paroxysmal tachycardia: atrial junctional atrioventricular [AV] nodal ICD-9/Ch07.TXT - pg. 10 427.1 Paroxysmal ventricular tachycardia 427.2 Paroxysmal tachycardia, unspecified Bouveret-Hoffman syndrome 427.3 Atrial fibrillation and flutter 427.4 Ventricular fibrillation and flutter 427.5 Cardiac arrest 427.6 Premature beats Ectopic beats Premature: Extrasystoles beats extrasystolic arrhythmia atrial nodal supraventricular ventricular contractions 427.8 Other Rhythm disorder: Syndrome: coronary sinus sick sinus ectopic tachycardia-bradycardia nodal Wandering pacemaker 427.9 Unspecified Arrhythmia (cardiac) NOS 428 Heart failure Excludes: postoperative (997.1) when attributable to medical care for abortion, ectopic or molar pregnancy, labor or delivery (634-638 with fourth digit .7, 639.8, 668.1, 669.4) when due to hypertension (402.-) 428.0 Congestive heart failure Congestive heart disease Right heart failure (secondary to left heart failure) 428.1 Left heart failure Acute edema of lung } with mention of heart disease Acute pulmonary edema } NOS or heart failure Cardiac asthma Left ventricular failure ICD-9/Ch07.TXT - pg. 11 428.9 Unspecified Cardiac, heart or myocardial failure NOS Weak heart 429 Ill-defined descriptions and complications of heart disease Excludes: any condition in 429.0-429.3,429.8, 429.9 due to hypertension (402.-) 429.0 Myocarditis, unspecified Myocarditis } NOS } chronic (interstitial) } (with mention of arteriosclerosis) fibroid } senile } Use additional code, if desired, to identify presence of arteriosclerosis 429.1 Myocardial degeneration Degeneration of heart or myocardium: } fatty } mural } muscular } (with mention of arteriosclerosis) Myocardial } degeneration } disease } Use additional code, if desired, to identify presence of arteriosclerosis 429.2 Cardiovascular disease, unspecified Cardiovascular arteriosclerosis Cardiovascular } degeneration } (with mention of arteriosclerosis) disease } sclerosis } Use additional code, if desired, to identify presence of arteriosclerosis 429.3 Cardiomegaly Cardiac: dilatation hypertrophy Ventricular dilatation 429.4 Functional disturbances following cardiac surgery [Not to be used for underlying cause of death] ICD-9/Ch07.TXT - pg. 12 Cardiac insufficiency following cardiac surgery or due to presence of prosthesis Heart failure following cardiac surgery or due to presence of prosthesis Postcardiotomy syndrome Excludes: cardiac failure in the immediate postoperative period (997.1) 429.5 Rupture of chordae tendineae 429.6 Rupture of papillary muscle 429.8 Other Carditis 429.9 Unspecified Heart disease (organic) NOS Morbus cordis NOS CEREBROVASCULAR DISEASE (430-438) Includes: with mention of hypertension (conditions in 401) Use additional code, if desired, to identify presence of hypertension Excludes: any condition in 430-434, 436, 437 occurring during pregnancy, childbirth, or the puerperium, or specified as puerperal (674.0) 430 Subarachnoid hemorrhage Meningeal hemorrhage Ruptured (congenital) cerebral aneurysm: NOS 431 Intracerebral hemorrhage Hemorrhage (of): Hemorrhage (of): basilar internal capsule bulbar intrapontine cerebral pontine cerebromeningeal subcortical cerebellar ventricular cortical Rupture of blood vessel in brain 432 Other and unspecified intracranial hemorrhage 432.0 Nontraumatic extradural hemorrhage Nontraumatic epidural hemorrhage ICD-9/Ch07.TXT - pg. 13 432.1 Subdural hemorrhage Subdural hemorrhage (nontraumatic) 432.9 Unspecified intracranial hemorrhage 433 Occlusion and stenosis of precerebral arteries Includes: embolism of basilar, carotid, and vertebral arteries narrowing of basilar, carotid, and vertebral arteries obstruction (complete) (partial) of basilar, carotid, and vertebral arteries thrombosis of basilar, carotid, and vertebral arteries Excludes: insufficiency NOS of precerebral arteries (435) 433.0 Basilar artery 433.1 Carotid artery 433.2 Vertebral artery 433.3 Multiple and bilateral 433.8 Other 433.9 Unspecified Precerebral artery NOS 434 Occlusion of cerebral arteries 434.0 Cerebral thrombosis Thrombosis of cerebral arteries 434.1 Cerebral embolism 434.9 Unspecified Cerebral infarction NOS 435 Transient cerebral ischemia Basilar artery syndrome Intermittent cerebral ischemia Cerebrovascular insuffficiency Spasm of cerebral arteries (acute) with transient Subclavian steal syndrome focal neurological Vertebral artery syndrome signs and symptoms Transient ischemic attack [TIA] Insufficiency: basilar artery carotid artery vertebral artery ICD-9/Ch07.TXT - pg. 14 Excludes: acute cerebrovascular insufficiency NOS (437.1) when due to any conditions in 433.- (433.-) 436 Acute but ill-defined cerebrovascular disease Apoplexy, apoplectic: Cerebrovascular accident NOS NOS Stroke attack seizure 437 Other and ill-defined cerebrovascular disease 437.0 Cerebral atherosclerosis Atheroma of cerebral arteries 437.1 Other generalized ischemic cerebrovascular disease Acute cerebrovascular insufficiency NOS Cerebral ischemia (chronic) 437.2 Hypertensive encephalopathy 437.3 Cerebral aneurysm, nonruptured 437.4 Cerebral arteritis 437.5 Moyamoya disease 437.6 Nonpyogenic thrombosis of intracranial venous sinus 437.8 Other 437.9 Unspecified 438 Late effects of cerebrovascular disease Note: This category is to be used to indicate conditions in 430-437 as the cause of late effects, themselves classifiable elsewhere. The "late effects" include conditions specified as such, as sequelae, or present one year or more after the onset of the causal condition. DISEASES OF ARTERIES, ARTERIOLES, AND CAPILLARIES (440-448) 440 Atherosclerosis Includes: arteriolosclerosis arteriosclerosis arteriosclerotic vascular disease atheroma degeneration: arterial ICD-9/Ch07.TXT - pg. 15 arteriovascular vascular endarteritis deformans or obliterans senile: arteritis endarteritis 440.0 Of aorta 440.1 Of renal artery Excludes: atherosclerosis of renal arterioles (403.0) 440.2 Of arteries of the extremities M”nckeberg's (medial) sclerosis 440.8 Of other specified arteries Excludes: cerebral (437.0) coronary (414.0) mesenteric (557.1) pulmonary (416.0) 440.9 Generalized and unspecified 441 Aortic aneurysm 441.0 Dissecting aneurysm [any part] 441.1 Thoracic aneurysm, ruptured 441.2 Thoracic aneurysm without mention of rupture 441.3 Abdominal aneurysm, ruptured 441.4 Abdominal aneurysm without mention of rupture 441.5 Aortic aneurysm of unspecified site, ruptured Rupture of aorta NOS 441.6 Aortic aneurysm of unspecified site without mention of rupture Aneurysm } Dilatation } of aorta Hyaline necrosis } 442 Other aneurysm Includes: aneurysm (rupture) (cirsoid) (false) (varicose) aneurysmal varix ICD-9/Ch07.TXT - pg. 16 Excludes: arteriovenous aneurysm, acquired (447.0) 442.0 Of artery of upper extremity 442.1 Of renal artery 442.2 Of iliac artery 442.3 Of artery of lower extremity 442.8 Of other specified artery Excludes: cerebral (nonruptured) (437.3) ruptured (430) coronary (414.1) heart (414.1) pulmonary (417.1) 442.9 Of unspecified site 443 Other peripheral vascular disease 443.0 Raynaud's syndrome Raynaud's: Raynaud's: disease phenomenon (secondary) 443.1 Thromboangiitis obliterans [Buerger's disease] 443.8 Other Acrocyanosis Erythrocyanosis Acroparaesthesia: Erythromelalgia simple [Schulze's type] vasomotor [Nothnagel's type] Excludes: chilblains (991.5) frostbite (991.0 - 991.3, E901.-) immersion foot (991.4, E901.0) 443.9 Unspecified Intermittent claudication NOS Spasm of artery Peripheral vascular disease NOS Excludes: spasm of cerebral artery (435) 444 Arterial embolism and thrombosis Includes: infarction: embolic thrombotic occlusion ICD-9/Ch07.TXT - pg. 17 Excludes: when complicating: abortion (634-638 with fourth digit .6, 639.6) ectopic or molar pregnancy (639.6) pregnancy, childbirth, or the puerperium (673.-) 444.0 Of abdominal aorta Aortic bifurcation syndrome Leriche's syndrome 444.1 Of other aorta 444.2 Of arteries of the extremities Peripheral arterial embolism 444.8 Of other specified artery Excludes: basilar (433.0) carotid (433.1) cerebral (434.-) coronary (410) mesenteric (557.0) ophthalmic (362.3) precerebral (433.-) pulmonary (415.1) renal (593.8) retinal (362.3) vertebral (433.2) 444.9 Of unspecified artery 446 Polyarteritis nodosa and allied conditions 446.0 Polyarteritis nodosa Disseminated necrotizing periarteritis Panarteritis Periarteritis (nodosa) 446.1 Acute febrile mucocutaneous lymph node syndrome [MCLS] 446.2 Hypersensitivity angiitis Goodpasture's syndrome 446.3 Lethal midline granuloma 446.4 Wegener's granulomatosis 446.5 Giant cell arteritis Cranial arteritis Temporal arteritis Horton's disease ICD-9/Ch07.TXT - pg. 18 446.6 Thrombotic microangiopathy Thrombotic thrombocytopenic purpura 446.7 Takayasu's disease Aortic arch arteritis Pulseless disease 447 Other disorders of arteries and arterioles 447.0 Arteriovenous fistula, acquired Arteriovenous aneurysm, acquired Excludes: cerebral (437.3) coronary (414.1) pulmonary (417.0) traumatic (900-904) 447.1 Stricture of artery 447.2 Rupture of artery Erosion of artery Fistula of artery Ulcer of artery Excludes: traumatic rupture of artery (900.-904.-) 447.3 Hyperplasia of renal artery 447.4 Coeliac artery compression syndrome 447.5 Necrosis of artery 447.6 Arteritis, unspecified Aortitis NOS Endarteritis NOS Excludes: arteritis, endarteritis: aortic arch (446.7) cerebral (437.4) coronary (414.8) deformans (440.-) obliterans (440.-) senile (440.-) 447.8 Other Fibromuscular hyperplasia of arteries 447.9 Unspecified ICD-9/Ch07.TXT - pg. 19 448 Diseases of capillaries 448.0 Hereditary hemorrhagic telangiectasia Rendu-Osler-Weber disease 448.1 Nevus, non-neoplastic Nevus: araneus senile spider stellar 448.9 Other and unspecified DISEASES OF VEINS AND LYMPHATICS, AND OTHER DISEASES OF CIRCULATORY SYSTEM (451-459) 451 Phlebitis and thrombophlebitis Includes: endophlebitis inflammation, vein periphlebitis suppurative phlebitis Excludes: when complicating: abortion (634-638 with fourth digit .7, 639.8) ectopic or molar pregnancy (639.8) pregnancy, childbirth, or the puerperium (671.-) 451.0 Of superficial vessels of lower extremities 451.1 Of deep vessels of lower extremities 451.2 Of lower extremities, unspecified 451.8 Of other sites Use additional E code, if desired, to identify drug, if drug-induced Excludes: intracranial venous sinus (325) nonpyogenic (437.6) portal (vein) (572.1) 451.9 Of unspecified site 452 Portal vein thrombosis Portal (vein) obstruction Excludes: phlebitis of portal vein (572.1) ICD-9/Ch07.TXT - pg. 20 453 Other venous embolism and thrombosis Excludes: when complicating: abortion (634-638 with fourth digit .7, 639.8) ectopic or molar pregnancy (639.8) pregnancy, childbirth, or the puerperium (671.-) 453.0 Budd-Chiari syndrome 453.1 Thrombophlebitis migrans 453.2 Of vena cava 453.3 Of renal vein 453.8 Of other specified veins Excludes: cerebral (434.-) coronary (410) intracranial venous sinus (325) nonpyogenic (437.6) lower extremities (451.0-451.2) mesenteric (557.0) portal (452) precerebral (433.-) pulmonary (415.1) 453.9 Of unspecified site Embolism of vein Thrombosis (vein) 454 Varicose veins of lower extremities Excludes: when complicating pregnancy or the puerperium (671.0) 454.0 With ulcer Varicose ulcer (lower extremity, any part) Any condition in 454.9 with ulcer or specified as ulcerated 454.1 With inflammation Any condition in 454.9 with inflammation or specified as inflamed 454.2 With ulcer and inflammation Any condition in 454.9 with ulcer and inflammation 454.9 Without mention of ulcer or inflammation Phlebectasia of lower extremity [any part] or of unspecified site Varicose veins of lower extremity [any part] or of unspecified site Varix of lower extremity [any part] or of unspecified site ICD-9/Ch07.TXT - pg. 21 455 Hemorrhoids Includes: hemorrhoids (rectum) piles varicose veins, anus or rectum Excludes: when complicating pregnancy, childbirth, or the puerperium (671.8) 455.0 Internal hemorrhoids without mention of complication 455.1 Internal thrombosed hemorrhoids 455.2 Internal hemorrhoids with other complication Internal hemorrhoids: bleeding prolapsed strangulated ulcerated 455.3 External hemorrhoids without mention of complication 455.4 External thrombosed hemorrhoids 455.5 External hemorrhoids with other complication External hemorrhoids: bleeding prolapsed strangulated ulcerated 455.6 Unspecified hemorrhoids without mention of complication Hemorrhoids NOS 455.7 Unspecified thrombosed hemorrhoids Thrombosed hemorrhoids, unspecified whether internal or external 455.8 Unspecified hemorrhoids with other complication Hemorrhoids, unspecified whether internal or external: bleeding prolapsed strangulated ulcerated 455.9 Residual hemorrhoidal skin tags Skin tags, anus or rectum ICD-9/Ch07.TXT - pg. 22 456 Varicose veins of other sites 456.0 Esophageal varices with bleeding 456.1 Esophageal varices without mention of bleeding 456.3 Sublingual varices 456.4 Scrotal varices Varicocele 456.5 Pelvic varices 456.6 Vulval varices Excludes: when complicating pregnancy, childbirth, or the puerperium (671.1) 456.8 Other Excludes: retinal varices (362.1) varicose veins of unspecified site (454.9) 457 Noninfective disorders of lymphatic channels 457.0 Postmastectomy lymphedema syndrome [Not to be used for underlying cause of death] Elephantiasis due to mastectomy operation Obliteration of lymphatic vessel due to mastectomy operation 457.1 Other lymphedema Elephantiasis (nonfilarial) NOS Lymphangiectasis Obliteration, lymphatic vessel Excludes: elephantiasis (nonfilarial): congenital (757.0) eyelid (374.8) vulva (624.8) 457.2 Lymphangitis Lymphangitis: NOS chronic subacute Excludes: acute lymphangitis (682.-) ICD-9/Ch07.TXT - pg. 23 457.8 Other noninfective disorders of lymphatic channels Chylocele (nonfilarial) Excludes: chylocele: filarial (125.-) tunica vaginalis (nonfilarial) (608.8) 457.9 Unspecified 458 Hypotension Includes: hypopiesis Excludes: cardiovascular collapse (785.5) maternal hypotension syndrome (669.2) Shy-Drager syndrome (333.0) 458.0 Orthostatic hypotension Hypotension: orthostatic (chronic) postural 458.1 Chronic hypotension Permanent idiopathic hypotension 458.9 Unspecified Hypotension (arterial) NOS 459 Other disorders of circulatory system 459.0 Hemorrhage, unspecified Excludes: hemorrhage: gastrointestinal (578.9) in newborn NOS (772.9) 459.1 Postphlebitic syndrome 459.2 Compression of vein Stricture of vein Vena cava syndrome (inferior) (superior) 459.8 Other Collateral circulation (venous), any site Phlebosclerosis 459.9 Unspecified ICD-9/Ch07.TXT - pg. 24