M21.379

Billable

Foot drop, unspecified foot

Foot drop, unspecified foot

Status

Billable / Specific

Block

M20-M25

Parent Code

M21.37

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

Frequently Asked Questions

What is the ICD-10 code for foot drop, unspecified foot?

The ICD-10-CM code for foot drop, unspecified foot is M21.379. The full clinical description is "Foot drop, unspecified foot". M21.379 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code M21.379 mean?

ICD-10-CM code M21.379 represents "Foot drop, unspecified foot". 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 M21.379 a billable code?

Yes, M21.379 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is M21.379 in?

M21.379 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M21.379?

M21.379 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 M21.379 map to?

M21.379 maps to 2 SNOMED CT concepts: 735601009, 6077001. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for M21.379?

M21.379 is linked to 1 UMLS Concept Unique Identifier: C2894502. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.