G43.709 – Chronic migraine without aura, not intractable, without status migrainosus

ICD-10-CM 2027 diagnosis code · Episodic and paroxysmal disorders

Billable code

ICD-10-CM code G43.709
Code
G43.709 (claims format: G43709)
Description
Chronic migraine without aura, not intractable, without status migrainosus
Short description
Chronic migraine w/o aura, not intractable, w/o stat migr
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
6. Diseases of the nervous system (G00-G99)
Block
G40-G47 Episodic and paroxysmal disorders
Parent codes
G43 › G43.7 › G43.70

Notes for G43.709

Applicable to:
  • Chronic migraine without aura NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

G43 – Migraine

Excludes1 (not coded here):
Excludes2 (not included here):
  • 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)
Notes:
  • the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled

G43.7 – Chronic migraine without aura

Applicable to:
  • Transformed migraine
Excludes1 (not coded here):
  • migraine without aura (G43.0-)

G43.70 – Chronic migraine without aura, not intractable

Applicable to:
  • Chronic migraine without aura, without refractory migraine

Index terms for G43.709

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in G43.70

Frequently asked questions

What is ICD-10 code G43.709?

G43.709 is the ICD-10-CM code for chronic migraine without aura, not intractable, without status migrainosus, in the block G40-G47 (Episodic and paroxysmal disorders).

Is G43.709 a billable code?

Yes. G43.709 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G43.709 belong to?

It belongs to category G43 – Migraine.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.