All ICD10 Codes

G43

Non-Billable
ChapterG00–G99
Rankcategory
Official Description

Migraine

Use a more specific code (0 billable, 13 non-billable)
G43.0Migraine without aurahas subcodesG43.1Migraine with aurahas subcodesG43.4Hemiplegic migrainehas subcodesG43.5Persistent migraine aura without cerebral infarctionhas subcodesG43.6Persistent migraine aura with cerebral infarctionhas subcodesG43.7Chronic migraine without aurahas subcodesG43.8Other migrainehas subcodesG43.9Migraine, unspecifiedhas subcodesG43.ACyclical vomitinghas subcodesG43.BOphthalmoplegic migrainehas subcodesG43.CPeriodic headache syndromes in child or adulthas subcodesG43.DAbdominal migrainehas subcodesG43.EChronic migraine with aurahas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
Excludes2(Not included here. Code separately if applicable.)
  • headache NOS (R51.9)
  • headache syndromes (G44.-)
Use Additional Code
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G40-G47Episodic and paroxysmal disorders (G40-G47)
G43MigraineNot billable
G43.0Migraine without auraSubcodes
G43.1Migraine with auraSubcodes
G43.4Hemiplegic migraineSubcodes
G43.5Persistent migraine aura without cerebral infarctionSubcodes
G43.6Persistent migraine aura with cerebral infarctionSubcodes
G43.7Chronic migraine without auraSubcodes
G43.8Other migraineSubcodes
G43.9Migraine, unspecifiedSubcodes
G43.ACyclical vomitingSubcodes
G43.BOphthalmoplegic migraineSubcodes
G43.CPeriodic headache syndromes in child or adultSubcodes
G43.DAbdominal migraineSubcodes
G43.EChronic migraine with auraSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G43:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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