MCMCB Pro
J12.81

J12.81Pneumonia due to SARS-associated coronavirus

Billable / specific codeICD-10-CM

J12.81 is a billable, specific ICD-10-CM code for pneumonia due to sars-associated coronavirus. It is valid for submission on a claim.

Inclusion terms

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

  • Severe acute respiratory syndrome NOS

Other codes that can never be billed with J12.81

These codes carry an Excludes1 note pointing at J12.81. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading J12.81 alone.

  • B34.2Coronavirus infection, unspecified
  • B97.21SARS-associated coronavirus as the cause of diseases classified elsewhere

Risk adjustment

J12.81 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

J12.81 is named in 15 Medicare coverage policies 15 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article

How J12.81 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 J12.81.

  • PneumoniaSARS-associated coronavirus
  • Syndromesevere acute respiratory(SARS)
  • Pneumoniaviral, virusSARS-associated coronavirus

Related codes at this level

Codes that share J12.8. If J12.81 is not quite right, the correct code is usually one of these.

Questions about J12.81

Is J12.81 a billable ICD-10-CM code?
Yes. J12.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does J12.81 sit in the tabular list?
Diseases of the respiratory system (J00-J99), in the block Influenza and pneumonia (J09-J18).
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.