M20.03
Non-billableSwan-neck deformity
Swan-neck deformity
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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)
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for swan-neck deformity?
The ICD-10-CM code for swan-neck deformity is M20.03. The full clinical description is "Swan-neck deformity". M20.03 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M20.03 mean?
ICD-10-CM code M20.03 represents "Swan-neck deformity". It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M20.03 a billable code?
No, M20.03 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under M20.03.
What chapter is M20.03 in?
M20.03 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M20.03?
M20.03 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired absence of fingers and toes (Z89.-); congenital absence of fingers and toes (Q71.3-, Q72.3-); congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-); and 3 more.
What are the subcategories under M20.03?
M20.03 has 3 child codes, including: M20.031 (Swan-neck deformity of right finger(s)), M20.032 (Swan-neck deformity of left finger(s)), M20.039 (Swan-neck deformity of unspecified finger(s)).
What are the UMLS CUIs for M20.03?
M20.03 is linked to 1 UMLS Concept Unique Identifier: C0158477. 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.