380.50 ACQ STENOS EAR CANAL NOS


Code Information

Diagnosis Code: 380.50

Short Description: Acq stenos ear canal NOS

Long Description: Acquired stenosis of external ear canal, unspecified as to cause

Code Classification:

  • Diseases of the sense organs (360–389)
    • Diseases of the ear and mastoid process (380-389)
      • 380 Disorders of external ear
        • 380.50 Acq stenos ear canal NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 380.50 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Collapse 780.2
    • external ear canal 380.50
      • secondary to
        • inflammation 380.53
        • surgery 380.52
        • trauma 380.51
  • Constriction
    • canal, ear (see also Stricture, ear canal, acquired) 380.50
  • Deformity 738.9
    • auditory canal (congenital) (external) (see also Deformity, ear) 744.3
      • acquired 380.50
  • Narrowing
    • auditory canal (external) (see also Stricture, ear canal, acquired) 380.50
  • Obstruction, obstructed, obstructive
    • canal, ear (see also Stricture, ear canal, acquired) 380.50
  • Stenosis (cicatricial) - see also Stricture
    • external ear canal 380.50
      • secondary to
        • inflammation 380.53
        • surgery 380.52
        • trauma 380.51
  • Stricture (see also Stenosis) 799.89
    • auditory canal (congenital) (external) 744.02
      • acquired (see also Stricture, ear canal, acquired) 380.50
    • ear canal (external) (congenital) 744.02
      • acquired 380.50
        • secondary to
          • inflammation 380.53
          • surgery 380.52
          • trauma 380.51
    • meatus
      • ear (congenital) 744.02
        • acquired (see also Stricture, ear canal, acquired) 380.50
      • osseous (congenital) (ear) 744.03
        • acquired (see also Stricture, ear canal, acquired) 380.50
    • osseous meatus (congenital) (ear) 744.03
      • acquired (see also Stricture, ear canal, acquired) 380.50

Crosswalk Information

The code 380.50 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
380.50 Right Arrow H61.309 Acquired stenosis of external ear canal, unsp, unsp ear
H61.399 Other acquired stenosis of external ear canal, unsp ear
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
380.00 Perichondritis of pinna, unspecified
380.01 Acute perichondritis of pinna
380.02 Chronic perichondritis of pinna
380.03 Chondritis of pinna
380.10 Infective otitis externa, unspecified
380.11 Acute infection of pinna
380.12 Acute swimmers' ear
380.13 Other acute infections of external ear
380.14 Malignant otitis externa
380.15 Chronic mycotic otitis externa
380.16 Other chronic infective otitis externa
380.21 Cholesteatoma of external ear
380.22 Other acute otitis externa
380.23 Other chronic otitis externa
380.30 Disorder of pinna, unspecified
380.31 Hematoma of auricle or pinna
380.32 Acquired deformities of auricle or pinna
380.39 Other noninfectious disorders of pinna
380.4 Impacted cerumen
380.51 Acquired stenosis of external ear canal secondary to trauma
380.52 Acquired stenosis of external ear canal secondary to surgery
380.53 Acquired stenosis of external ear canal secondary to inflammation
380.81 Exostosis of external ear canal
380.89 Other disorders of external ear
380.9 Unspecified disorder of external ear


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