MCMCB Pro
J45.22

J45.22Mild intermittent asthma with status asthmaticus

Billable / specific codeICD-10-CM

J45.22 is a billable, specific ICD-10-CM code for mild intermittent asthma with status asthmaticus. It is valid for submission on a claim.

Risk adjustment

J45.22 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

J45.22 is named in 49 Medicare coverage policies 47 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A52466Nebulizers - Policy Article
  • A52466Nebulizers - Policy Article

How J45.22 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 J45.22.

  • Asthma, asthmaticintermittentwithstatus asthmaticus
  • Asthma, asthmaticmild intermittentwithstatus asthmaticus

Related codes at this level

Codes that share J45.2. If J45.22 is not quite right, the correct code is usually one of these.

Questions about J45.22

Is J45.22 a billable ICD-10-CM code?
Yes. J45.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does J45.22 sit in the tabular list?
Diseases of the respiratory system (J00-J99), in the block Chronic lower respiratory diseases (J40-J4A).
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.