Is R88 a billable ICD-10-CM code?

No. R88 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R88 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 other body fluids, substances and tissues, without diagnosis (R83-R89).

R88

R88 — Abnormal findings in other body fluids and substances

Non-billable headerICD-10-CM

R88 is a non-billable header ICD-10-CM code for abnormal findings in other body fluids and substances. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with R88

These codes carry an Excludes1 note pointing at R88. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading R88 alone.

R85Abnormal findings in specimens from digestive organs and abdominal cavity

Risk adjustment

R88 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 R88

2 child codes. Green means billable.

Questions about R88

Is R88 a billable ICD-10-CM code?: No. R88 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R88 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 other body fluids, substances and tissues, without diagnosis (R83-R89).