ICD10

ICD-10 Code M00.26: Other streptococcal arthritis, knee

M00.26 is an ICD-10 diagnosis entry used to group records related to Other streptococcal arthritis, knee. 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 streptococcal arthritis, knee 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
M00-M25Arthropathies
block
M00-M02Infectious arthropathies
category
M00Pyogenic arthritis
category
M00.2Other streptococcal arthritis and polyarthritis
currentM00.2

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
M00.26
Replacement codes
M00.261 — Other streptococcal arthritis, right kneeM00.262 — Other streptococcal arthritis, left kneeM00.269 — Other streptococcal arthritis, unspecified knee

Common synonyms

Other streptococcal arthritis, knee

Frequently asked questions

Code details

CodeM00.26
SystemICD10
Display nameOther streptococcal arthritis, knee
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockInfectious arthropathies

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 M00.26 for Other streptococcal arthritis, knee | HealthAssure