ICD10BillableValid for clinical use

ICD-10 Code M05.7A: Rheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement

M05.7A is a billable ICD-10 diagnosis code used to classify Rheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement 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 rheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement 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
M05-M14Inflammatory polyarthropathies
category
M05Rheumatoid arthritis with rheumatoid factor
category
M05.7Rheumatoid arthritis with rheumatoid factor without organ or systems involvement
currentM05.7

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

Related codes

M05.70Rheumatoid arthritis with rheumatoid factor of unspecified site without organ or systems involvementcodeM05.71Rheumatoid arthritis with rheumatoid factor of shoulder without organ or systems involvementcategoryM05.72Rheumatoid arthritis with rheumatoid factor of elbow without organ or systems involvementcategoryM05.73Rheumatoid arthritis with rheumatoid factor of wrist without organ or systems involvementcategoryM05.74Rheumatoid arthritis with rheumatoid factor of hand without organ or systems involvementcategoryM05.75Rheumatoid arthritis with rheumatoid factor of hip without organ or systems involvementcategoryM05.76Rheumatoid arthritis with rheumatoid factor of knee without organ or systems involvementcategoryM05.77Rheumatoid arthritis with rheumatoid factor of ankle and foot without organ or systems involvementcategoryM05.79Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvementcode

Sibling codes

M05.70Rheumatoid arthritis with rheumatoid factor of unspecified site without organ or systems involvementbillableM05.71Rheumatoid arthritis with rheumatoid factor of shoulder without organ or systems involvementM05.72Rheumatoid arthritis with rheumatoid factor of elbow without organ or systems involvementM05.73Rheumatoid arthritis with rheumatoid factor of wrist without organ or systems involvementM05.74Rheumatoid arthritis with rheumatoid factor of hand without organ or systems involvementM05.75Rheumatoid arthritis with rheumatoid factor of hip without organ or systems involvementM05.76Rheumatoid arthritis with rheumatoid factor of knee without organ or systems involvementM05.77Rheumatoid arthritis with rheumatoid factor of ankle and foot without organ or systems involvementM05.79Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvementbillable

Coding guidelines

Common synonyms

Rheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement

Frequently asked questions

Code details

CodeM05.7A
SystemICD10
Display nameRheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockInflammatory polyarthropathies

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute)

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 M05.7A for Rheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement | HealthAssure