ICD10

ICD-10 Code M77.5: Other enthesopathy of foot and ankle

M77.5 is an ICD-10 diagnosis entry used to group records related to Other enthesopathy of foot and ankle. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

When is it used?

  • May be used when a clinician documents other enthesopathy of foot and ankle in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
13Diseases of the musculoskeletal system and connective tissue (M00-M99)
block
M60-M79Soft tissue disorders
block
M70-M79Other soft tissue disorders
category
M77Other enthesopathies
currentM77

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Orthopedic SpecialistRheumatologist

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
M77.5
Replacement codes
M77.50 — Other enthesopathy of unspecified foot and ankleM77.51 — Other enthesopathy of right foot and ankleM77.52 — Other enthesopathy of left foot and ankle

Common synonyms

Other enthesopathy of foot and ankle

Frequently asked questions

Code details

CodeM77.5
SystemICD10
Display nameOther enthesopathy of foot and ankle
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockOther soft tissue disorders

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code M77.5 for Other enthesopathy of foot and ankle | HealthAssure