2023 ICD-10-CM Diagnosis Code G43.009

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Migraine without aura, not intractable, without status migrainosus

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • G43.009 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Migraine w/o aura, not intractable, w/o status migrainosus
  • The 2023 edition of ICD-10-CM G43.009 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of G43.009 - other international versions of ICD-10 G43.009 may differ.
Applicable To
  • Migraine without aura NOS
The following code(s) above G43.009 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G43.009:
  • G00-G99
    2023 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • 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)
    Diseases of the nervous system
  • G43
    ICD-10-CM Diagnosis Code G43


      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    • the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
    Type 1 Excludes
    Type 2 Excludes
    • headache syndromes (G44.-)
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • G43.0
    ICD-10-CM Diagnosis Code G43.0

    Migraine without aura

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Common migraine
    Type 1 Excludes
    • chronic migraine without aura (G43.7-)
    Migraine without aura
  • G43.00
    ICD-10-CM Diagnosis Code G43.00

    Migraine without aura, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Migraine without aura without mention of refractory migraine
    Migraine without aura, not intractable
Approximate Synonyms
  • Common migraine
  • Migraine without aura
Clinical Information
  • Recurrent unilateral pulsatile headaches, not preceded or accompanied by an aura, in attacks lasting 4-72 hours. It is characterized by pain of moderate to severe intensity; aggravated by physical activity; and associated with nausea and / or photophobia and phonophobia. (international classification of headache disorders, 2nd ed. Cephalalgia 2004: suppl 1)
ICD-10-CM G43.009 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 102 Headaches with mcc
  • 103 Headaches without mcc

Convert G43.009 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to G43.009:

ICD-10-CM Codes Adjacent To G43.009
G40.90 Epilepsy, unspecified, not intractable
G40.901 …… with status epilepticus
G40.909 …… without status epilepticus
G40.91 Epilepsy, unspecified, intractable
G40.911 …… with status epilepticus
G40.919 …… without status epilepticus
G43 Migraine
G43.0 Migraine without aura
G43.00 Migraine without aura, not intractable
G43.001 …… with status migrainosus
G43.009 …… without status migrainosus
G43.01 Migraine without aura, intractable
G43.011 …… with status migrainosus
G43.019 …… without status migrainosus
G43.1 Migraine with aura
G43.10 Migraine with aura, not intractable
G43.101 …… with status migrainosus
G43.109 …… without status migrainosus
G43.11 Migraine with aura, intractable
G43.111 …… with status migrainosus
G43.119 …… without status migrainosus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.