478 Other diseases of upper respiratory tract (478.0-478.9) ICD-9-CM
The 478.0-478.9 block classified 478 other diseases of upper respiratory tract with 25 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 478.0-478.9 Block 25 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 478.0 Hypertrph nasal turbinat
- 478.11 Nasal mucositis (ulcer)
- 478.19 Nasal & sinus dis NEC
- 478.20 Disease of pharynx NOS
- 478.21 Cellulitis of pharynx
- 478.22 Parapharyngeal abscess
- 478.24 Retropharyngeal abscess
- 478.25 Edema pharynx/nasopharyx
- 478.26 Cyst pharynx/nasopharynx
- 478.29 Disease of pharynx NEC
- 478.30 Vocal cord paralysis NOS
- 478.31 Vocal paral unilat part
- 478.32 Vocal paral unilat total
- 478.33 Vocal paral bilat part
- 478.34 Vocal paral bilat total
- 478.4 Vocal cord/larynx polyp
- 478.5 Vocal cord disease NEC
- 478.6 Edema of larynx
- 478.70 Disease of larynx NOS
- 478.71 Laryngeal cellulitis
- 478.74 Stenosis of larynx
- 478.75 Laryngeal spasm
- 478.79 Disease of larynx NEC
- 478.8 Urt hypersens react NOS
- 478.9 Upper resp dis NEC/NOS
Questions About This Page
Are the 478.0-478.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 478.0-478.9 block classify?
The block classified 478 other diseases of upper respiratory tract with 25 codes in the final ICD-9-CM release. It sat under Diseases of the respiratory system (460–519) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
