MCMCB Pro
J15.211

J15.211Pneumonia due to Methicillin susceptible Staphylococcus aureus

Billable / specific codeICD-10-CM

J15.211 is a billable, specific ICD-10-CM code for pneumonia due to methicillin susceptible staphylococcus aureus. It is valid for submission on a claim.

Inclusion terms

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

  • MSSA pneumonia
  • Pneumonia due to Staphylococcus aureus NOS

Risk adjustment

J15.211 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 282 Aspiration and Specified Bacterial Pneumonias0.440 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

J15.211 is named in 14 Medicare coverage policies 14 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 J15.211 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 J15.211.

  • PneumoniaMSSA(methicillin susceptible Staphylococcus aureus)
  • Pneumoniastaphylococcalaureus(methicillin susceptible) (MSSA)
  • PneumoniainStaphylococcusaureus(methicillin susceptible) (MSSA)

Related codes at this level

Codes that share J15.21. If J15.211 is not quite right, the correct code is usually one of these.

Questions about J15.211

Is J15.211 a billable ICD-10-CM code?
Yes. J15.211 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does J15.211 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.