R82.8Header code — not billable

Abnormal findings on cytological and histological examination of urine

Short description: Abnormal findings on cytolog and histolog exam of urine

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R82
Effective date
October 1, 2026

Related codes in category R82

R82Other and unspecified abnormal findings in urineR82.0ChyluriaYesR82.1MyoglobinuriaYesR82.2BiliuriaYesR82.3HemoglobinuriaYesR82.4AcetonuriaYesR82.5Elevated urine levels of drug/meds/biol substYesR82.6Abnormal urine levels of substances chiefly nonmed sourceYesR82.7Abnormal findings on microbiological examination of urineR82.71BacteriuriaYesR82.79Other abnormal findings on microbiolog examination of urineYesR82.81PyuriaYes

Frequently asked questions

What is ICD-10 code R82.8?

R82.8 is an ICD-10-CM diagnosis code for Abnormal findings on cytological and histological examination of urine.

Is R82.8 a billable code?

No. R82.8 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R82.8 in?

R82.8 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R82.8 become effective?

R82.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R82.8?

R82.8 belongs to category R82, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.