ICD10BillableValid for clinical use

ICD-10 Code M01.X0: Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere

M01.X0 is a billable ICD-10 diagnosis code used to classify Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere 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 26 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 direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere 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
M00-M25Arthropathies
block
M00-M02Infectious arthropathies
category
M01Direct infections of joint in infectious and parasitic diseases classified elsewhere
category
M01.XDirect infection of joint in infectious and parasitic diseases classified elsewhere
currentM01.X

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 SpecialistRheumatologistInfectious Disease Specialist

Related codes

M01.X1Direct infection of shoulder joint in infectious and parasitic diseases classified elsewherecategoryM01.X2Direct infection of elbow in infectious and parasitic diseases classified elsewherecategoryM01.X3Direct infection of wrist in infectious and parasitic diseases classified elsewherecategoryM01.X4Direct infection of hand in infectious and parasitic diseases classified elsewherecategoryM01.X5Direct infection of hip in infectious and parasitic diseases classified elsewherecategoryM01.X6Direct infection of knee in infectious and parasitic diseases classified elsewherecategoryM01.X7Direct infection of ankle and foot in infectious and parasitic diseases classified elsewherecategoryM01.X8Direct infection of vertebrae in infectious and parasitic diseases classified elsewherecodeM01.X9Direct infection of multiple joints in infectious and parasitic diseases classified elsewherecode

Sibling codes

M01.X1Direct infection of shoulder joint in infectious and parasitic diseases classified elsewhereM01.X2Direct infection of elbow in infectious and parasitic diseases classified elsewhereM01.X3Direct infection of wrist in infectious and parasitic diseases classified elsewhereM01.X4Direct infection of hand in infectious and parasitic diseases classified elsewhereM01.X5Direct infection of hip in infectious and parasitic diseases classified elsewhereM01.X6Direct infection of knee in infectious and parasitic diseases classified elsewhereM01.X7Direct infection of ankle and foot in infectious and parasitic diseases classified elsewhereM01.X8Direct infection of vertebrae in infectious and parasitic diseases classified elsewherebillableM01.X9Direct infection of multiple joints in infectious and parasitic diseases classified elsewherebillable

Coding guidelines

Common synonyms

Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhereDirect infection of joint in infectious and parasitic diseases classified elsewhere

Frequently asked questions

Code details

CodeM01.X0
SystemICD10
Display nameDirect infection of unspecified joint in infectious and parasitic diseases classified elsewhere
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockInfectious arthropathies

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 M01.X0 for Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere | HealthAssure