370.00 CORNEAL ULCER NOS

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Code Information

Diagnosis Code: 370.00

Short Description: Corneal ulcer NOS

Long Description: Corneal ulcer, unspecified

Code Classification:

Diseases of the sense organs (360–389)
- Disorders of the eye and adnexa (360-379)
  - 370 Keratitis
    - 370.00 Corneal ulcer NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 370.00 has the following ICD-9-CM references to the Index of Diseases and Injuries

Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
- cornea 370.55
  - with ulcer 370.00

Arabicum elephantiasis (see also Infestation, filarial) 125.9

Inflammation, inflamed, inflammatory (with exudation)
- cornea (see also Keratitis) 370.9
  - with ulcer (see also Ulcer, cornea) 370.00

Keratitis (nodular) (nonulcerative) (simple) (zonular) NEC 370.9
- with ulceration (see also Ulcer, cornea) 370.00
- interstitial (nonsyphilitic) 370.50
  - with ulcer (see also Ulcer, cornea) 370.00
- ulcerated (see also Ulcer, cornea) 370.00

Ophthalmia (see also Conjunctivitis) 372.30
- phlyctenular 370.31
  - with ulcer (see also Ulcer, cornea) 370.00

Perforation, perforative (nontraumatic)
- cornea (see also Ulcer, cornea) 370.00
  - due to ulceration 370.06

Phlyctenulosis (allergic) (keratoconjunctivitis) (nontuberculous) 370.31
- cornea 370.31
  - with ulcer (see also Ulcer, cornea) 370.00

Rupture, ruptured 553.9
- cornea (traumatic) - see also Rupture, eye
  - due to ulcer 370.00

Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
- cornea (infectional) 370.00
  - with perforation 370.06
  - annular 370.02
  - catarrhal 370.01
  - central 370.03
  - dendritic 054.42
  - marginal 370.01
  - mycotic 370.05
  - phlyctenular, tuberculous (see also Tuberculosis) 017.3 [370.31]
  - ring 370.02
  - rodent 370.07
  - serpent, serpiginous 370.04
  - superficial marginal 370.01
  - tuberculous (see also Tuberculosis) 017.3 [370.31]
- keratitis (see also Ulcer, cornea) 370.00

Xerosis
- cornea 371.40
  - with corneal ulceration 370.00
    - vitamin A deficiency 264.3

Crosswalk Information

The code 370.00 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
370.00		H16.009	Unspecified corneal ulcer, unspecified eye

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
370.01	Marginal corneal ulcer
370.02	Ring corneal ulcer
370.03	Central corneal ulcer
370.04	Hypopyon ulcer
370.05	Mycotic corneal ulcer
370.06	Perforated corneal ulcer
370.07	Mooren's ulcer
370.20	Superficial keratitis, unspecified
370.21	Punctate keratitis
370.22	Macular keratitis
370.23	Filamentary keratitis
370.24	Photokeratitis
370.31	Phlyctenular keratoconjunctivitis
370.32	Limbar and corneal involvement in vernal conjunctivitis
370.33	Keratoconjunctivitis sicca, not specified as Sjogren's
370.34	Exposure keratoconjunctivitis
370.35	Neurotrophic keratoconjunctivitis
370.40	Keratoconjunctivitis, unspecified
370.44	Keratitis or keratoconjunctivitis in exanthema
370.49	Other keratoconjunctivitis
370.50	Interstitial keratitis, unspecified
370.52	Diffuse interstitial keratitis
370.54	Sclerosing keratitis
370.55	Corneal abscess
370.59	Other interstitial and deep keratitis
370.60	Corneal neovascularization, unspecified
370.61	Localized vascularization of cornea
370.62	Pannus (corneal)
370.63	Deep vascularization of cornea
370.64	Ghost vessels (corneal)
370.8	Other forms of keratitis
370.9	Unspecified keratitis

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

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