ICD-10 Diagnosis Code H10.9

Unspecified conjunctivitis

Diagnosis Code H10.9

ICD-10: H10.9
Short Description: Unspecified conjunctivitis
Long Description: Unspecified conjunctivitis
This is the 2019 version of the ICD-10-CM diagnosis code H10.9

Valid for Submission
The code H10.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of conjunctiva (H10-H11)
      • Conjunctivitis (H10)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code H10.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Bacterial conjunctivitis
  • Bilateral conjunctivitis
  • Conjunctivitis
  • Conjunctivitis associated with autoimmune skin disorder
  • Conjunctivitis associated with autoimmune skin disorder
  • Conjunctivitis associated with epidermolysis bullosa
  • Conjunctivitis due to Bordetella pertussis
  • Conjunctivitis due to lichen planus
  • Conjunctivitis due to Reiter's disease
  • Conjunctivitis of bilateral eyes caused by bacteria
  • Conjunctivitis of left eye
  • Conjunctivitis of left eye caused by bacteria
  • Conjunctivitis of right eye
  • Conjunctivitis of right eye caused by bacteria
  • Follicular conjunctivitis

Information for Patients


Also called: Conjunctivitis

Conjunctivitis is the medical name for pink eye. It involves inflammation of the outer layer of the eye and inside of the eyelid. It can cause swelling, itching, burning, discharge, and redness. Causes include

  • Bacterial or viral infection
  • Allergies
  • Substances that cause irritation
  • Contact lens products, eye drops, or eye ointments

Pinkeye usually does not affect vision. Infectious pink eye can easily spread from one person to another. The infection will clear in most cases without medical care, but bacterial pinkeye needs treatment with antibiotic eye drops or ointment.

NIH: National Eye Institute

  • Allergic conjunctivitis (Medical Encyclopedia)
  • Conjunctivitis (Medical Encyclopedia)
  • Vernal conjunctivitis (Medical Encyclopedia)

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