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 psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- 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)
- joints of the spine (M40-M54)
- acquired deformities of fingers or toes (M20.-)
- coxa plana (M91.2)
Also Known As / Clinical Terms
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
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.
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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.