ICD-10 J45.909: Unspecified asthma, uncomplicated
Asthma without severity classification (mild intermittent/persistent, moderate, severe). Use J45.20-J45.52 when severity classified.
Clinical context
Asthma without severity classification (mild intermittent/persistent, moderate, severe). Use J45.20-J45.52 when severity classified.
Documentation requirements
- Spirometry with reversibility (if performed)
- Symptom pattern (frequency, severity, triggers)
- Step of GINA/NAEPP treatment
Common related procedures
- 94010 spirometry
- 94060 spirometry with bronchodilator
- 99214
Common payer denial patterns
- Biologic therapy (omalizumab, mepolizumab) requires severity-specific code
- Allergen immunotherapy may need J45.20-J45.52 specific
Frequently asked questions
What does ICD-10 J45.909 mean?
Unspecified asthma, uncomplicated
When is this code documented?
Asthma without severity classification (mild intermittent/persistent, moderate, severe). Use J45.20-J45.52 when severity classified.
What documentation supports this code?
Spirometry with reversibility (if performed); Symptom pattern (frequency, severity, triggers); Step of GINA/NAEPP treatment.
What are common denials associated with this diagnosis?
Biologic therapy (omalizumab, mepolizumab) requires severity-specific code; Allergen immunotherapy may need J45.20-J45.52 specific.
Related diagnoses
Sources
Catch J45.909 documentation gaps before claim submission
ApprovalHelp audits ICD-10 documentation against payer-specific PA criteria, flags missing modifiers, and pre-drafts appeals for high-denial codes. no setup fee.
Get started →Contact: hello@approvalhelp.com