R82.4

Acetonuria

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · R82.4

Synonyms

Ketonuria

Inherited from R82Other and unspecified abnormal findings in urine

Includes

chromoabnormalities in urine

Excludes 2

hematuria (R31.-)

Use additional

code to identify any retained foreign body, if applicable (Z18.-)

Inherited from R80-R82Abnormal findings on examination of urine, without diagnosis

Excludes 1

abnormal findings on antenatal screening of mother (O28.-) diagnostic abnormal findings classified elsewhere - see Alphabetical Index specific findings indicating disorder of amino-acid metabolism (E70-E72) specific findings indicating disorder of carbohydrate metabolism (E73-E74)

Inherited from chapter 18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Excludes 2

abnormal findings on antenatal screening of mother (O28.-) certain conditions originating in the perinatal period (P04-P96) signs and symptoms classified in the body system chapters signs and symptoms of breast (N63, N64.5)

Official Guidelines for R82.4

FY 2026 ›

I.C.18Chapter-specific guidanceChapter 18: Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

Subsections

Sections that reference R82.4

Sections whose FY 2026 text names R82.4, its R82 category, or a range containing it — the chapter guidance above is the authoritative source.

Find R82.4 in the alphabetic index

7 index paths lead to this code