ICD-10-CM Codes
G00-G99
G40-G47
G43-
2023 ICD-10-CM Diagnosis Code G43.C1

2023 ICD-10-CM Diagnosis Code G43.C1

Periodic headache syndromes in child or adult, intractable

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

G43.C1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM G43.C1 became effective on October 1, 2022.
This is the American ICD-10-CM version of G43.C1 - other international versions of ICD-10 G43.C1 may differ.

Applicable To

Periodic headache syndromes in child or adult, with refractory migraine

The following code(s) above G43.C1 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.C1:

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
Migraine
Note
- the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Type 1 Excludes
- headache NOS (R51.9)
- lower half migraine (G44.00)
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)
Migraine

Approximate Synonyms

Intractable periodic headache syndrome
Intractable periodic headache with status migrainosus
Periodic headache syndromes
Periodic headache syndromes, intractable

ICD-10-CM G43.C1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

102 Headaches with mcc
103 Headaches without mcc

Convert G43.C1 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.C1:

Headache R51.9
ICD-10-CM Diagnosis Code R51.9
Headache, unspecified
Applicable To
Facial pain NOS
- periodic syndromes in adults and children G43.C0
  ICD-10-CM Diagnosis Code G43.C0
  Periodic headache syndromes in child or adult, not intractable
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Periodic headache syndromes in child or adult, without refractory migraine
  - with refractory migraine G43.C1
  - intractable G43.C1

ICD-10-CM Codes Adjacent To G43.C1

G43.711 …… with status migrainosus

G43.719 …… without status migrainosus

G43.A Cyclical vomiting

G43.A0 …… in migraine, not intractable

G43.A1 …… in migraine, intractable

G43.B Ophthalmoplegic migraine

G43.B0 …… not intractable

G43.B1 …… intractable

G43.C Periodic headache syndromes in child or adult

G43.C0 …… not intractable

G43.C1 …… intractable

G43.D Abdominal migraine

G43.D0 …… not intractable

G43.D1 …… intractable

G43.8 Other migraine

G43.80 Other migraine, not intractable

G43.801 …… with status migrainosus

G43.809 …… without status migrainosus

G43.81 Other migraine, intractable

G43.811 …… with status migrainosus

G43.819 …… without status migrainosus

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

2023 ICD-10-CM Diagnosis Code G43.C1

Periodic headache syndromes in child or adult, intractable

Diseases of the nervous system

Migraine

Headache, unspecified

Periodic headache syndromes in child or adult, not intractable