G44.1
BillableVascular headache, not elsewhere classified
Vascular headache, not elsewhere classified
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •atypical facial painG50.1
- •headache due to lumbar punctureG97.1
- •migrainesG43
- •trigeminal neuralgiaG50.0
- •cluster headacheG44.0
- •complicated headache syndromesG44.5
- •drug-induced headacheG44.4
- •migraineG43
- •other specified headache syndromesG44.8
- •post-traumatic headacheG44.3
- •tension-type headacheG44.2
Related Codes(6)
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for vascular headache, not elsewhere classified?
The ICD-10-CM code for vascular headache, not elsewhere classified is G44.1. The full clinical description is "Vascular headache, not elsewhere classified". G44.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G44.1 mean?
ICD-10-CM code G44.1 represents “Vascular headache, not elsewhere classified”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G44.1 a billable code?
Yes, G44.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G44.1 in?
G44.1 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G44.1?
G44.1 has Excludes1 notes indicating codes that cannot be used together with it, including: headache NOS (R51.9).
What SNOMED CT codes does G44.1 map to?
G44.1 maps to 1 SNOMED CT concept: 128187005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G44.1?
G44.1 is linked to 1 UMLS Concept Unique Identifier: C0869050. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G44.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like vascular headache, not elsewhere classified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G44.1?
G44.1 maps to the ICD-11 code: 8A84.Y (Other specified secondary headache).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.