1. ICD-10-CM Codes
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2. H00-H59 Diseases of the eye and adnexa
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3. H15-H22 Disorders of sclera, cornea, iris and ciliary body
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4. H16- Keratitis
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5. 2020 ICD-10-CM Diagnosis Code H16.9

2020 ICD-10-CM Diagnosis Code H16.9

Unspecified keratitis

2016 2017 2018 2019 2020 Billable/Specific Code

• H16.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2020 edition of ICD-10-CM H16.9 became effective on October 1, 2019.
• This is the American ICD-10-CM version of H16.9 - other international versions of ICD-10 H16.9 may differ.

• Bilateral contact lens keratitis, unresolved
• Contact lens keratitis, unresolved
• Keratitis
• Keratitis (eye condition)
• Keratitis ichthyosis and deafness syndrome
• Kid syndrome
• Kid syndrome (eye condition)
• Left contact lens keratitis, unresolved
• Right contact lens keratitis, unresolved
• Unresolved contact lens keratitis
• Unresolved keratitis of bilateral eyes caused by contact lens
• Unresolved keratitis of left eye caused by contact lens
• Unresolved keratitis of right eye caused by contact lens

• A disorder characterized by inflammation to the cornea of the eye.
• Inflammation of the cornea
• Inflammation of the cornea.

• 124 Other disorders of the eye with mcc
• 125 Other disorders of the eye without mcc

Convert H16.9 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change

• Keratitis (nodular) (nonulcerative) (simple) (zonular) H16.9

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.