Is R77.2 a billable ICD-10-CM code?

Yes. R77.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R77.2 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).

R77.2

R77.2 — Abnormality of alphafetoprotein

Billable / specific codeICD-10-CM

R77.2 is a billable, specific ICD-10-CM code for abnormality of alphafetoprotein. It is valid for submission on a claim.

Risk adjustment

R77.2 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

R77.2 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy

How R77.2 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 R77.2.

Abnormal, abnormality, abnormalities›alphafetoprotein

Related codes at this level

Codes that share R77. If R77.2 is not quite right, the correct code is usually one of these.

Questions about R77.2

Is R77.2 a billable ICD-10-CM code?: Yes. R77.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R77.2 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).