MCMedicalCodingSoftware
A18.85

A18.85: Tuberculosis of spleen

Billable / specific codeICD-10-CM

A18.85 is a billable, specific ICD-10-CM code for tuberculosis of spleen. It is valid for submission on a claim.

Check A18.85 with the rest of the claim: free scrubber

Other codes that can never be billed with A18.85

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

  • D77Other disorders of blood and blood-forming organs in diseases classified elsewhere
  • D73.1Hypersplenism

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

A18.85 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
  • A57484Billing and Coding: Vitamin D Assay Testing

Alphabetic index entries that lead here

  • Splenitis›tuberculous
  • Tuberculosis, tubercular, tuberculous›spleen, splenitis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A18.8

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.