Central Distributor SID: Description of Data Elements

BYEAR - Birth year

Documentation Sections:

General Notes

Uniform Values

State Specific Notes

General Notes

Birth year (BYEAR) is derived from the date of birth (DOB). If DOB is missing, then BYEAR is missing (.). If DOB is invalid, then BYEAR is invalid (.A).

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Uniform Values

Variable Description Value Value Description BYEAR Birth year yyyy Birth year . Missing .A Invalid

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State Specific Notes

New York In the 1998-2000 data, birth year (BYEAR) is missing (.) on AIDS/HIV discharges. New York identifies AIDS/HIV records by ICD-9-CM diagnosis code or DRG: An admitting, principal, or secondary diagnosis of "042" "043" "044" "7958" "27910", "27919", "2793", "1363", "79571", "07951", "07952", "07953" or "V08". A DRG of 488 "HIV with Extensive Operating Room Procedure", 489 "HIV with Major related condition", or 490 "HIV with or without Other Related Condition". Please note that the admitting diagnosis is not retained in the HCUP databases.

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