Is R74.9 a billable ICD-10-CM code?

Yes. R74.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R74.9 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).

R74.9

R74.9 — Abnormal serum enzyme level, unspecified

Billable / specific codeICD-10-CM

R74.9 is a billable, specific ICD-10-CM code for abnormal serum enzyme level, unspecified. It is valid for submission on a claim.

Risk adjustment

R74.9 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.

Medicare coverage

R74.9 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56421Billing and Coding: CT of the Abdomen and Pelvis
A56767Billing and Coding: Heavy Metal Testing
A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy

How R74.9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R74.9.

Abnormal, abnormality, abnormalities›serum level›enzymes

Related codes at this level

Codes that share R74. If R74.9 is not quite right, the correct code is usually one of these.

Questions about R74.9

Is R74.9 a billable ICD-10-CM code?: Yes. R74.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R74.9 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).