_dta: 1. records_ndcs_removed set up by Jean Roth , jroth@nber.org , 9 Feb 2018 ndc: 1. The National Drug Code (NDC) serves as a universal product identifier for human drugs and biologics. 2. Each NDC must be reported as an 11-digit code unique to the manufacturer of the specific drug or product. ndc13: 1. The National Drug Code (NDC) serves as a universal product identifier for human drugs and biologics. 2. Each NDC must be reported as an 11-digit code unique to the manufacturer of the specific drug or product. hcpcs: 1. HCPCS codes are used by Medicare and monitored by the CMS . 2. HCPCS Level II codes are assigned to every service a medical practitioner provides 3. to a Medicare patient including durable medical equipment, prosthetics and orthotics supplies. 4. These codes are an alpha character followed by four numbers. relationshipenddate: 1. The relationship end date between the NDC and HCPCS code. 2. A new relationship end date is listed whenever any of the following occur: 3. HCPCS Code Deletion 4. NDC Withdrawn 5. NDC deactivated ndcdash: 1. The National Drug Code (NDC) serves as a universal product identifier for human drugs and biologics. 2. Each NDC must be reported as an 11-digit code unique to the manufacturer of the specific drug or product. ndcmod: 1. Healthcare Common Procedure Coding System (HCPCS) Level II codes 2. may require the use of modifiers to capture the exact nature of the service. 3. The Level II modifiers are two alphabetic or alphanumeric digits. hcpcsmod: 1. HCPCS Level II codes may require the use of modifiers to capture the exact nature of the service. 2. The Level II modifiers are two alphabetic or alphanumeric digits. obs: 7,537 vars: 9 9 Feb 2018 15:57 size: 399,461 (_dta has notes) ----------------------------------------------------------------------------------------- storage display value variable name type format label variable label ----------------------------------------------------------------------------------------- ndc str11 %11s * National Drug Code (NDC) ndc13 str13 %13s * National Drug Code (NDC) with Dashes hcpcs str5 %9s * Healthcare Common Procedure Coding System (HCPCS) relationshipenddate long %td.. * Relationship End Date fileyear int %9.0g Year Data File Source filemonth byte %9.0g Month Data File Source ndcdash str13 %13s * National Drug Code (NDC) with Dashes ndcmod str2 %9s * National Drug Code Modifier Code hcpcsmod str2 %9s * Healthcare Common Procedure Coding System (HCPCS) Modifier Code * indicated variables have notes ----------------------------------------------------------------------------------------- Sorted by: ndc ndcmod hcpcs hcpcsmod