M21.859
BillableOther specified acquired deformities of unspecified thigh
Other specified acquired deformities of unspecified thigh
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
- •joints of the spineM40-M54
- •acquired deformities of fingers or toesM20
- •coxa planaM91.2
Related Codes(2)
Also Known As / Clinical Terms(33)
SNOMED CT
- Acquired coxa vara12067001
- Acquired varus deformity of hip joint12067001
- Coxa vara - acquired12067001
- Acquired coxa valga16979000
- Acquired internal femoral torsion203560005
- Acquired external femoral torsion203562002
- Hip held in external rotation276335005
- External rotation of lower limb278291005
- External rotational deformity of leg278291005
- Coxa valga299236004
- Hip joint deformity in external rotation299237008
- Femoral torsion718345008
- Torsion of femur718345008
- Windswept hip deformity784268004
- Coxa vara1179328008
- Varus deformity of hip1179328008
Clinical Terms
- External rotation of lower limb
- External rotational deformity of leg
- Femoral torsion
- Coxa vara - acquired
- Hip held in external rotation
- Torsion of femur
- Coxa valga
- Acquired internal femoral torsion
- Acquired varus deformity of hip joint
- Varus deformity of hip
- Windswept hip deformity
- Hip joint deformity in external rotation
- Acquired external femoral torsion
- Coxa vara
- Acquired coxa valga
- Acquired coxa vara
Frequently Asked Questions
What is the ICD-10 code for other specified acquired deformities of unspecified thigh?
The ICD-10-CM code for other specified acquired deformities of unspecified thigh is M21.859. The full clinical description is "Other specified acquired deformities of unspecified thigh". M21.859 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M21.859 mean?
ICD-10-CM code M21.859 represents “Other specified acquired deformities of unspecified thigh”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M21.859 a billable code?
Yes, M21.859 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M21.859 in?
M21.859 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M21.859?
M21.859 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74).
What SNOMED CT codes does M21.859 map to?
M21.859 maps to 11 SNOMED CT concepts: 16979000, 12067001, 203562002, 203560005, 299236004, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M21.859?
M21.859 is linked to 1 UMLS Concept Unique Identifier: C2894551. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M21.859 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified acquired deformities of unspecified thigh 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 M21.859?
There is no direct ICD-11 mapping available for M21.859 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.