Is R74 a billable ICD-10-CM code?

No. R74 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R74 sit in the tabular list?

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on examination of blood, without diagnosis (R70-R79).

R74

R74 — Abnormal serum enzyme levels

Non-billable headerICD-10-CM

R74 is a non-billable header ICD-10-CM code for abnormal serum enzyme levels. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

R74 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead R74

3 child codes. Green means billable.

R74.0Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]
R74.8Abnormal levels of other serum enzymes
R74.9Abnormal serum enzyme level, unspecified

Questions about R74

Is R74 a billable ICD-10-CM code?: No. R74 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R74 sit in the tabular list?: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on examination of blood, without diagnosis (R70-R79).