month of visit
day of visit
year of visit
time of visit - military time
patient age in years
patient race
patient sex
patient ethnicity
does patient smoke cigarettes?
type of payment for this visit
blue cross/blue shield
other private insurance
worker's compensation
other insurance
unknown insurance
patient's reason for visit #1
patient's reason for visit #2
patient's reason for visit #3
patient's reason for visit #1 - broad
patient's reason for visit #2 - broad
patient's reason for visit #3 - broad
is visit related to injury or poisoning?
cause of injury #1
cause of injury #2
cause of injury #3
cause of injury #1 - broad
cause of injury #2 - broad
cause of injury #3 - broad
place of occurrence of injury
is injury work related?
did a firearm produce the injury?
is injury violence related?
person who caused the injury
physician's diagnosis #1
physician's diagnosis #2
physician's diagnosis #3
physician's diagnosis #1 - broad
physician's diagnosis #2 - broad
physician's diagnosis #3 - broad
is visit alcohol or drug related?
does patient now have - depression?
does patient now have - hiv/aids?
does patient now have - none of above?
urgency of this visit
were diagnostic/screen serv ordered/provided?
mental status exam
blood pressure test
cardiac monitor
pulse oximetry
urinalysis
pregnancy test
hiv serology
blood alcohol concentration
other blood test
other diagnostic/screening service
other diag/screen service #1
other diag/screen service #1 - 3 dgt
other diag/screen service #1 - 2 dgt
chest x-ray
extremity x-ray
other x-ray
cat scan
ultrasound
other diagnostic imaging
were procedures provided?
endotracheal intubation
iv fluids
ng tube/gastric lavage
lumbar puncture
bladder catheter
wound care
eye/ent care
orthopedic care
ob/gyn care
other procedure
other procedure #1
other procedure #2
other procedure #1 - 3 dgt
other procedure #2 - 3 dgt
other procedure #1 - 2 dgt
other procedure #2 - 2 dgt
total # of diag services and procedures
were medications/injections ordered/provided?
number of medications coded
medication #1
medication #2
medication #3
medication #4
medication #5
medication #6
no follow-up planned
return to ed, p.r.n. (as needed)/appointment
returned to referring physician
referred to other physician/clinic
left before being seen
admitted to hospital
admitted to icu/ccu
transferred to other facility
doa/died in ed
other disposition
resident/intern seen
staff physician seen
other physician seen
physician assistant seen
nurse practitioner seen
registered nurse seen
licensed practical nurse seen
medical assistant seen
other provider seen
patient visit weight (rounded)
geographic region of hospital
metro/non-metro status of location of hospital
hospital ownership
hospital code
patient code
was patient's visit date imputed?
was patient's birth year imputed?
was patient's race imputed?
was patient's sex imputed?
was patient's ethnicity imputed?
was providers seen imputed?
was urgency of visit imputed?
was disposition of visit imputed?
generic name code for drug #1
prescription status code for drug #1
controlled substance code for drug #1
composition status code for drug #1
drug class for drug #1
ingredient code #1 for drug #1
ingredient code #2 for drug #1
ingredient code #3 for drug #1
ingredient code #4 for drug #1
ingredient code #5 for drug #1
generic name code for drug #2
prescription status code for drug #2
controlled substance code for drug #2
composition status code for drug #2
drug class for drug #2
ingredient code #1 for drug #2
ingredient code #2 for drug #2
ingredient code #3 for drug #2
ingredient code #4 for drug #2
ingredient code #5 for drug #2
generic name code for drug #3
prescription status code for drug #3
controlled substance code for drug #3
composition status code for drug #3
drug class for drug #3
ingredient code #1 for drug #3
ingredient code #2 for drug #3
ingredient code #3 for drug #3
ingredient code #4 for drug #3
ingredient code #5 for drug #3
generic name code for drug #4
prescription status code for drug #4
controlled substance code for drug #4
composition status code for drug #4
drug class for drug #4
ingredient code #1 for drug #4
ingredient code #2 for drug #4
ingredient code #3 for drug #4
ingredient code #4 for drug #4
ingredient code #5 for drug #4
generic name code for drug #5
prescription status code for drug #5
controlled substance code for drug #5
composition status code for drug #5
drug class for drug #5
ingredient code #1 for drug #5
ingredient code #2 for drug #5
ingredient code #3 for drug #5
ingredient code #4 for drug #5
ingredient code #5 for drug #5
generic name code for drug #6
prescription status code for drug #6
controlled substance code for drug #6
composition status code for drug #6
drug class for drug #6
ingredient code #1 for drug #6
ingredient code #2 for drug #6
ingredient code #3 for drug #6
ingredient code #4 for drug #6
ingredient code #5 for drug #6
patient race recode: white, black, other
age in days for patients less than 1 year
patient age recode
psu stratum marker (masked)
psu marker (masked)
survey year (1995)
survey identifier (constant=2 for nhamcs)
provider stratum marker
provider code
hospital department code
hospital sampling unit code
hospital clinic code
stratum counts of psus (masked)
# of clinic sampling units in hospital (masked)
estimated provider visit volume (masked)
estimated # of inscope providers in psu (masked)