Is R85.2 a billable ICD-10-CM code?

Yes. R85.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R85.2 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 other body fluids, substances and tissues, without diagnosis (R83-R89).

What cannot be coded together with R85.2?

R85.2 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R85.2 (R85) and apply to it just the same.

R85.2

R85.2 — Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity

Billable / specific codeICD-10-CM

R85.2 is a billable, specific ICD-10-CM code for abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity. It is valid for submission on a claim.

Excludes1 inherited from the categories above R85.2

These are not written on R85.2, but they bind it: a note on a category applies to every code beneath it. Billing R85.2 with anything listed here is a denial.

Written on R85 — Abnormal findings in specimens from digestive organs and abdominal cavity

cloudy peritoneal dialysis effluent (R88.0)
fecal abnormalities (R19.5)

Risk adjustment

R85.2 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.

How R85.2 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 R85.2.

Abnormal, abnormality, abnormalities›specimen›digestive organs›drug level

Code history

R85.2 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share R85. If R85.2 is not quite right, the correct code is usually one of these.

Questions about R85.2

Is R85.2 a billable ICD-10-CM code?: Yes. R85.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R85.2 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 other body fluids, substances and tissues, without diagnosis (R83-R89).
What cannot be coded together with R85.2?: R85.2 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R85.2 (R85) and apply to it just the same.