471.9 NASAL POLYP NOS


Code Information

Diagnosis Code: 471.9

Short Description: Nasal polyp NOS

Long Description: Unspecified nasal polyp

Code Classification:

  • Diseases of the respiratory system (460–519)
    • Other diseases of upper respiratory tract (470-478)
      • 471 Nasal polyps
        • 471.9 Nasal polyp NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 471.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Polyp, polypus
    • nares
      • anterior 471.9
    • nasal (mucous) 471.9
      • cavity 471.0
      • septum 471.9
    • nose (mucous) 471.9
    • septum (nasal) 471.9

Crosswalk Information

The code 471.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
471.9 Right Arrow J33.9 Nasal polyp, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
471.0 Polyp of nasal cavity
471.1 Polypoid sinus degeneration
471.8 Other polyp of sinus


This page was last updated on: 10/1/2014