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ICD-10-CM Current in FY 2027

G43.409

Hemiplegic migraine, not intractable, without status migrainosus

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

Hierarchy

Where G43.409 sits in the official hierarchy. Each level is the code it is classified under.

  1. G43 Migraine
  2. G43.4 Hemiplegic migraine
  3. G43.40 Parent Hemiplegic migraine, not intractable
  4. G43.409 This code Hemiplegic migraine, not intractable, without status migrainosus

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.

Inclusion Terms

Hemiplegic migraine NOS

Excludes1

lower half migraine ( G44.00 )

Inherited from G43 — Migraine

Excludes2

headache NOS ( R51.9 )

Inherited from G43 — Migraine

Excludes2

headache syndromes ( G44 .-)

Inherited from G43 — Migraine

Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inherited from G43 — Migraine

Version History

How G43.409 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Hemiplegic migraine, not intractable, without status migrainosus

  2. FY 2026 Effective

    Unchanged

    Hemiplegic migraine, not intractable, without status migrainosus

Related Codes

Other codes under G43.40

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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