MedCodeSearch
ICD-10-CM Current in FY 2027

T40.3X1S

Poisoning by methadone, accidental (unintentional), sequela

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where T40.3X1S sits in the official hierarchy. Each level is the code it is classified under.

  1. T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
  2. T40.3 Poisoning by, adverse effect of and underdosing of methadone
  3. T40.3X Poisoning by, adverse effect of and underdosing of methadone
  4. T40.3X1 Parent Poisoning by methadone, accidental (unintentional)
  5. T40.3X1S This code Poisoning by methadone, accidental (unintentional), sequela

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes2

drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-)

Inherited from T40 — Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

7th Character

The appropriate 7th character is to be added to each code from category T40

Inherited from T40 — Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

7th Character

A - initial encounter

Inherited from T40 — Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

7th Character

D - subsequent encounter

Inherited from T40 — Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

7th Character

S - sequela

Inherited from T40 — Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

Version History

How T40.3X1S appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Poisoning by methadone, accidental (unintentional), sequela

  2. FY 2026 Effective

    Unchanged

    Poisoning by methadone, accidental (unintentional), sequela

Related Codes

Other codes under T40.3X1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.

Look up another code

Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.