T27.5XXA
T27.5XXA: Corrosion involving larynx and trachea with lung, initial encounter
Billable / specific codeICD-10-CM
T27.5XXA is a billable, specific ICD-10-CM code for corrosion involving larynx and trachea with lung, initial encounter. It is valid for submission on a claim.
Check T27.5XXA with the rest of the claim: free scrubber7th character "A": initial encounter
The appropriate 7th character is to be added to each code from category T27
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
T27.5XXA is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A56900Billing and Coding: Immunizations
- A57205Billing and Coding: Oximetry Services
Code history
Unchanged in every release from FY2024 to FY2027.