Age as of Date of Admission

SAS Name
BENE_AGE_CNT

The beneficiary’s age in years on the date of admission

Comments

This field is derived by subtracting the beneficiary's date of birth from the admission date, using the first claim record for the stay.

The only exception to this formula is if the resulting age is 64, and the Medicare Status Code = 10 (Aged without end-stage renal disease (ESRD) or 11 (Aged with ESRD), the age is changed to 65.

Source: NCH