ICD10BillableValid for clinical use

ICD-10 Code M97.21: Periprosthetic fracture around internal prosthetic right ankle joint

M97.21 is a billable ICD-10 diagnosis code used to classify Periprosthetic fracture around internal prosthetic right ankle joint in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 periprosthetic fracture around internal prosthetic right ankle joint in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

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.

Code hierarchy

chapter
13Diseases of the musculoskeletal system and connective tissue (M00-M99)
block
M97Periprosthetic fracture around internal prosthetic joint (M97)
category
M97Periprosthetic fracture around internal prosthetic joint
category
M97.2Periprosthetic fracture around internal prosthetic ankle joint
currentM97.2

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Orthopedic SpecialistRheumatologist

Coding guidelines

Common synonyms

Periprosthetic fracture around internal prosthetic right ankle joint

Frequently asked questions

Code details

CodeM97.21
SystemICD10
Display namePeriprosthetic fracture around internal prosthetic right ankle joint
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockPeriprosthetic fracture around internal prosthetic joint (M97)

Flags

BillableYes
Valid clinical useYes

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 M97.21 for Periprosthetic fracture around internal prosthetic right ankle joint | HealthAssure