MCMCB Pro
D86.86

D86.86Sarcoid arthropathy

Billable / specific codeICD-10-CM

D86.86 is a billable, specific ICD-10-CM code for sarcoid arthropathy. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Polyarthritis in sarcoidosis

Other codes that can never be billed with D86.86

These codes carry an Excludes1 note pointing at D86.86. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D86.86 alone.

  • M01Direct infections of joint in infectious and parasitic diseases classified elsewhere
  • M14Arthropathies in other diseases classified elsewhere

Risk adjustment

D86.86 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 93 Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders0.617 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.

Medicare coverage

D86.86 is named in 21 Medicare coverage policies 21 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52423Billing and Coding: Infliximab and biosimilars
  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing

How D86.86 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D86.86.

  • Sarcoidarthropathy
  • Arthritis, arthriticinsarcoidosis
  • Arthropathyinsarcoidosis
  • Sarcoidosiswithpolyarthritis

Related codes at this level

Codes that share D86.8. If D86.86 is not quite right, the correct code is usually one of these.

Questions about D86.86

Is D86.86 a billable ICD-10-CM code?
Yes. D86.86 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D86.86 sit in the tabular list?
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Certain disorders involving the immune mechanism (D80-D89).
ICD-10-CMFY2026-Apr· effective April 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.