J45.901Billable
Unspecified asthma with (acute) exacerbation
- Chapter
- 10. Diseases of the respiratory system
- Category
- J45
- Effective date
- October 1, 2026
Related codes in category J45
J45AsthmaJ45.2Mild intermittent asthmaJ45.20Mild intermittent asthma, uncomplicatedYesJ45.21Mild intermittent asthma with (acute) exacerbationYesJ45.22Mild intermittent asthma with status asthmaticusYesJ45.3Mild persistent asthmaJ45.30Mild persistent asthma, uncomplicatedYesJ45.31Mild persistent asthma with (acute) exacerbationYesJ45.32Mild persistent asthma with status asthmaticusYesJ45.4Moderate persistent asthmaJ45.40Moderate persistent asthma, uncomplicatedYesJ45.41Moderate persistent asthma with (acute) exacerbationYes
Frequently asked questions
What is ICD-10 code J45.901?
J45.901 is an ICD-10-CM diagnosis code for Unspecified asthma with (acute) exacerbation.
Is J45.901 a billable code?
Yes. J45.901 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is J45.901 in?
J45.901 falls under Chapter 10: Diseases of the respiratory system.
When did J45.901 become effective?
J45.901 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to J45.901?
J45.901 belongs to category J45, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.