M21.20
BillableFlexion deformity, unspecified site
Flexion deformity, unspecified site
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
- Flexion deformity203598005
- Acquired fixed flexion deformity of joint of upper limb281476006
- FFD - Acquired fixed flexion deformity of joint of upper limb281476006
- Acquired fixed flexion deformity of joint of lower limb281491008
- FFD - Acquired fixed flexion deformity of joint of lower limb281491008
- Flexion contracture385522000
- Flexion contracture of joint385522000
UMLS
- Flexed joint that cannot be straightenedC0333068
- Flexion contractureC0333068
- Flexion contracture (morphologic abnormality)C0333068
- Flexion contracture of jointC0333068
- Flexion contracture of joint (disorder)C0333068
- Flexion contracturesC0333068
- Flexion contractures of jointsC0333068
- Flexion deformitiesC0333068
- Flexion deformityC0333068
- Flexion deformity (disorder)C0333068
- Flexion deformity (morphologic abnormality)C0333068
- Flexion deformity, unspecified siteC0333068
- Flexion joint contracturesC0333068
- contracture flexionC0333068
- contractures flexionC0333068
- deformities flexionC0333068
- flexion contractureC0333068
- flexion deformityC0333068
Frequently Asked Questions
What is the ICD-10 code for flexion deformity, unspecified site?
The ICD-10-CM code for flexion deformity, unspecified site is M21.20. The full clinical description is "Flexion deformity, unspecified site". M21.20 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M21.20 mean?
ICD-10-CM code M21.20 represents "Flexion deformity, unspecified site". 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 M21.20 a billable code?
Yes, M21.20 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M21.20 in?
M21.20 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M21.20?
M21.20 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 M21.20 map to?
M21.20 maps to 4 SNOMED CT concepts: 281491008, 281476006, 385522000, 203598005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M21.20?
M21.20 is linked to 1 UMLS Concept Unique Identifier: C0333068. 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.