M21.90
BillableUnspecified acquired deformity of unspecified limb
Unspecified acquired deformity of unspecified limb
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 deformity of limb17230005
- Acquired deformity of upper limb125583000
- Acquired deformity of lower limb125584006
- Acquired deformity of joint of upper limb240229005
- Acquired deformity of the wrist / hand240231001
- Acquired deformity of the wrist and/or hand240231001
- Acquired deformity of joint of lower limb240240002
- Joint deviation250086000
- Joint deformity250087009
- Multiple joint deformity298147006
- Deformity of upper limb298747001
- Deformity of limb445144002
- Deformity of lower limb449715001
- Lower limb deformity449715001
- Angulation deformity of lower limb609381007
- Deformity of fibrous joint840675000
Frequently Asked Questions
What is the ICD-10 code for unspecified acquired deformity of unspecified limb?
The ICD-10-CM code for unspecified acquired deformity of unspecified limb is M21.90. The full clinical description is "Unspecified acquired deformity of unspecified limb". M21.90 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M21.90 mean?
ICD-10-CM code M21.90 represents "Unspecified acquired deformity of unspecified limb". 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 M21.90 a billable code?
Yes, M21.90 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M21.90 in?
M21.90 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M21.90?
M21.90 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 M21.90 map to?
M21.90 maps to 14 SNOMED CT concepts: 240240002, 240229005, 17230005, 125584006, 240231001, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M21.90?
M21.90 is linked to 1 UMLS Concept Unique Identifier: C2894556. 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.