MCMedicalCodingSoftware
T44.1X2A

T44.1X2A — Poisoning by other parasympathomimetics [cholinergics], intentional self-harm, initial encounter

Billable / specific codeICD-10-CM

T44.1X2A is a billable, specific ICD-10-CM code for poisoning by other parasympathomimetics [cholinergics], intentional self-harm, 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 T44

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T44.1X2A 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

T44.1X2A is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A57205Billing and Coding: Oximetry Services

Code history

T44.1X2A has not changed since FY2024 — no addition, revision or deletion across the FY2024–FY2027 ICD-10-CM releases.

Related codes at this level

Codes that share T44.1X2. If T44.1X2A is not quite right, the correct code is usually one of these.

Questions about T44.1X2A

Is T44.1X2A a billable ICD-10-CM code?
Yes. T44.1X2A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T44.1X2A sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).
ICD-10-CMFY2027· effective October 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.