M21.162
BillableVarus deformity, not elsewhere classified, left knee
Varus deformity, not elsewhere classified, left knee
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(47)
SNOMED CT
- Acquired bow leg64925008
- Acquired bowleg64925008
- Acquired genu varum64925008
- Acquired varus deformity of knee64925008
- Acquired varus deformity of joint of lower limb281494000
- Bandy legged299331007
- Bow legged299331007
- Bow legs299331007
- Genu varus299331007
- Knee joint varus deformity299331007
- Acquired deformity of bilateral knee regions15741681000119107
- Acquired deformity of both knee regions15741681000119107
- Bilateral acquired deformity of knee regions15741681000119107
- Acquired deformity of left knee15741761000119106
- Acquired deformity of right knee15741721000119101
- Acquired genu valgum of bilateral knees15714361000119104
- Acquired left genu varum323501000119100
- Acquired varus deformity of left knee323501000119100
- Acquired right genu varum323531000119107
- Acquired varus deformity of right knee323531000119107
- Acquired varus deformity of bilateral knees15714001000119102
- Acquired varus deformity of both knees15714001000119102
- Bilateral acquired varus deformity of knees15714001000119102
Clinical Terms
- Acquired deformity of both knee regions
- Acquired varus deformity of left knee
- Genu varus
- Bandy legged
- Acquired varus deformity of joint of lower limb
- Knee joint varus deformity
- Bow legs
- Bilateral acquired deformity of knee regions
- Acquired varus deformity of right knee
- Bow legged
- Acquired genu varum
- Acquired bowleg
- Acquired varus deformity of knee
- Acquired genu valgum of bilateral knees
- Acquired right genu varum
- Acquired left genu varum
- Acquired deformity of bilateral knee regions
- Acquired deformity of left knee
- Acquired deformity of right knee
- Acquired varus deformity of bilateral knees
- Acquired bow leg
- Acquired varus deformity of both knees
- Bilateral acquired varus deformity of knees
Frequently Asked Questions
What is the ICD-10 code for varus deformity, not elsewhere classified, left knee?
The ICD-10-CM code for varus deformity, not elsewhere classified, left knee is M21.162. The full clinical description is "Varus deformity, not elsewhere classified, left knee". M21.162 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M21.162 mean?
ICD-10-CM code M21.162 represents “Varus deformity, not elsewhere classified, left knee”. 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 M21.162 a billable code?
Yes, M21.162 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M21.162 in?
M21.162 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M21.162?
M21.162 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); and 2 more.
What SNOMED CT codes does M21.162 map to?
M21.162 maps to 10 SNOMED CT concepts: 64925008, 15741681000119107, 15741761000119106, 15741721000119101, 15714361000119104, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M21.162?
M21.162 is linked to 1 UMLS Concept Unique Identifier: C2894471. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M21.162 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like varus deformity, not elsewhere classified, left knee 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 M21.162?
There is no direct ICD-11 mapping available for M21.162 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.