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ICD-10-CM Current in FY 2027

T42.8X6S

Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, sequela

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

Hierarchy

Where T42.8X6S sits in the official hierarchy. Each level is the code it is classified under.

  1. T42 Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
  2. T42.8 Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants
  3. T42.8X Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants
  4. T42.8X6 Parent Underdosing of antiparkinsonism drugs and other central muscle-tone depressants
  5. T42.8X6S This code Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, 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 T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

7th Character

The appropriate 7th character is to be added to each code from category T42

Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

7th Character

A - initial encounter

Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

7th Character

D - subsequent encounter

Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

7th Character

S - sequela

Inherited from T42 — Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

Version History

How T42.8X6S appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, sequela

  2. FY 2026 Effective

    Unchanged

    Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, sequela

Related Codes

Other codes under T42.8X6

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)

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