MCMedicalCodingSoftware
X77.0XXA

X77.0XXAIntentional self-harm by steam or hot vapors, initial encounter

Billable / specific codeICD-10-CMPOA exempt

X77.0XXA is a billable, specific ICD-10-CM code for intentional self-harm by steam or hot vapors, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category X77

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

X77.0XXA risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:

  • HCC 155 Major Depression, Moderate or Severe, without Psychosis0.299 RAF
  • HCC 155 Major Depression, Moderate or Severe, without Psychosis0.299 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Code history

X77.0XXA has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share X77.0. If X77.0XXA is not quite right, the correct code is usually one of these.

Questions about X77.0XXA

Is X77.0XXA a billable ICD-10-CM code?
Yes. X77.0XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does X77.0XXA sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Intentional self-harm (X71-X83).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.