M91.4
Non-billableCoxa magna
Coxa magna
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •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
Child Codes (3)
Related Codes(6)
Also Known As / Clinical Terms(4)
Frequently Asked Questions
What is the ICD-10 code for coxa magna?
The ICD-10-CM code for coxa magna is M91.4. The full clinical description is "Coxa magna". M91.4 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M91.4 mean?
ICD-10-CM code M91.4 represents “Coxa magna”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M91.4 a billable code?
No, M91.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under M91.4.
What chapter is M91.4 in?
M91.4 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M91.4?
M91.4 has Excludes1 notes indicating codes that cannot be used together with it, including: postprocedural chondropathies (M96.-); slipped upper femoral epiphysis (nontraumatic) (M93.0-).
What are the subcategories under M91.4?
M91.4 has 3 child codes, including: M91.40 (Coxa magna, unspecified hip), M91.41 (Coxa magna, right hip), M91.42 (Coxa magna, left hip).
What are the UMLS CUIs for M91.4?
M91.4 is linked to 1 UMLS Concept Unique Identifier: C1860826. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M91.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like coxa magna 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 M91.4?
There is no direct ICD-11 mapping available for M91.4 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.