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A19.1

A19.1Acute miliary tuberculosis of multiple sites

Billable / specific codeICD-10-CM

A19.1 is a billable, specific ICD-10-CM code for acute miliary tuberculosis of multiple sites. It is valid for submission on a claim.

Risk adjustment

A19.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

A19.1 is named in 10 Medicare coverage policies 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
  • A57224Billing and Coding: Respiratory Care
  • A57326Billing and Coding: Electrocardiograms

How A19.1 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 A19.1.

  • Polyserositistuberculousacute
  • Tuberculosis, tubercular, tuberculousmultipleacute
  • Tuberculosis, tubercular, tuberculouspolyserositisacute
  • Tuberculosis, tubercular, tuberculousmiliaryacutemultiple sites

Related codes at this level

Codes that share A19. If A19.1 is not quite right, the correct code is usually one of these.

Questions about A19.1

Is A19.1 a billable ICD-10-CM code?
Yes. A19.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A19.1 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Tuberculosis (A15-A19).
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.