ICD-10-CM 2027
ICD-10 code for apathy
From the official ICD-10-CM alphabetic index entry “Apathy”. Page updated September 29, 2026.
About coding apathy
The ICD-10-CM code for apathy is R45.3 (Demoralization and apathy).
Within R45 (symptoms and signs involving emotional state), R45.3 is specifically for Demoralization and apathy. Related codes cover Nervousness (R45.0), Restlessness and agitation (R45.1), unhappiness (R45.2), irritability and anger (R45.4), Hostility (R45.5), Violent behavior (R45.6), state of emotional shock and stress, unspecified (R45.7) and other symptoms and signs involving emotional state (R45.8).
Don't report R45.3 together with the conditions in its Excludes1 note: anhedonia (R45.84).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for R45.3)
- anhedonia (R45.84)
Common questions about apathy ICD-10 codes
What is the ICD-10 code for apathy?
- R45.3 — Demoralization and apathy.
Is R45.3 billable?
- Yes. R45.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R45.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R45.3 as a principal diagnosis.
Is R45.3 a CC or MCC?
- No. R45.3 is neither a CC nor an MCC under MS-DRG v44.0.