AutoICD API

M21.961

Billable

Unspecified acquired deformity of right lower leg

Unspecified acquired deformity of right lower leg

Status

Billable / Specific

Block

M20-M25

Parent Code

M21.96

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • acquired absence of limb (Z89.-)
  • congenital absence of limbs (Q71-Q73)
  • congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)

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

UMLS

Frequently Asked Questions

What is the ICD-10 code for unspecified acquired deformity of right lower leg?

The ICD-10-CM code for unspecified acquired deformity of right lower leg is M21.961. The full clinical description is "Unspecified acquired deformity of right lower leg". M21.961 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code M21.961 mean?

ICD-10-CM code M21.961 represents "Unspecified acquired deformity of right lower leg". 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 M21.961 a billable code?

Yes, M21.961 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is M21.961 in?

M21.961 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M21.961?

M21.961 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 M21.961 map to?

M21.961 maps to 17 SNOMED CT concepts: 15742121000119105, 15934141000119101, 15741841000119101, 15741681000119107, 15742161000119100, and 12 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for M21.961?

M21.961 is linked to 1 UMLS Concept Unique Identifier: C2894573. 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.