R45.84

Anhedonia

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

Inherited from R40-R46Symptoms and signs involving cognition, perception, emotional state and behavior
Excludes 2

symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

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 R45.84

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 R45.84

Sections whose FY 2026 text names R45.84, its R45 category, or a range containing it — the chapter guidance above is the authoritative source.

Find R45.84 in the alphabetic index

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