ICD-10-CM 2027
ICD-10 code for emotional lability
From the official ICD-10-CM alphabetic index entry “Emotional lability”. Page updated September 29, 2026.
About coding emotional lability
The ICD-10-CM code for emotional lability is R45.86 (Emotional lability).
Within R45.8 (other symptoms and signs involving emotional state), R45.86 is specifically for emotional lability. Related codes cover low self-esteem (R45.81), Worries (R45.82), excessive crying of child, adolescent or adult (R45.83), Anhedonia (R45.84), Homicidal and suicidal ideations (R45.85), Impulsiveness (R45.87), nonsuicidal self-harm (R45.88) and other symptoms and signs involving emotional state (R45.89).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 883 (Disorders of Personality and Impulse Control, relative weight 1.7697), in MDC 19 (Mental Diseases and Disorders), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about emotional lability ICD-10 codes
What is the ICD-10 code for emotional lability?
- R45.86 — Emotional lability.
Is R45.86 billable?
- Yes. R45.86 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R45.86 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R45.86 as a principal diagnosis.
Is R45.86 a CC or MCC?
- No. R45.86 is neither a CC nor an MCC under MS-DRG v44.0.