MCMedicalCodingSoftware
A69.23

A69.23: Arthritis due to Lyme disease

Billable / specific codeICD-10-CM

A69.23 is a billable, specific ICD-10-CM code for arthritis due to lyme disease. It is valid for submission on a claim.

Check A69.23 with the rest of the claim: free scrubber

Other codes that can never be billed with A69.23

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • M01Direct infections of joint in infectious and parasitic diseases classified elsewhere

Risk adjustment

A69.23 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 92 Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis0.479 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

A69.23 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A57306Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

  • Arthritis, arthritic›due to or associated with›Lyme disease
  • Arthritis, arthritic›in›Lyme disease

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A69.2

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.