G44.321
BillableChronic post-traumatic headache, intractable
Chronic post-traumatic headache, intractable
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
Related Codes(1)
Related Conditions
Also Known As / Clinical Terms(7)
SNOMED CT
Clinical Terms
- Chronic intractable posttraumatic headache
- Intractable chronic headache following trauma
- Posttraumatic headache
Frequently Asked Questions
What is the ICD-10 code for chronic post-traumatic headache, intractable?
The ICD-10-CM code for chronic post-traumatic headache, intractable is G44.321. The full clinical description is "Chronic post-traumatic headache, intractable". G44.321 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G44.321 mean?
ICD-10-CM code G44.321 represents “Chronic post-traumatic headache, intractable”. 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 G44.321 a billable code?
Yes, G44.321 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G44.321 in?
G44.321 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G44.321?
G44.321 has Excludes1 notes indicating codes that cannot be used together with it, including: headache NOS (R51.9).
What SNOMED CT codes does G44.321 map to?
G44.321 maps to 2 SNOMED CT concepts: 290441000119105, 54012000. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G44.321?
G44.321 is linked to 1 UMLS Concept Unique Identifier: C2875247. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G44.321 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic post-traumatic headache, intractable 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 G44.321?
There is no direct ICD-11 mapping available for G44.321 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.