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3. Chapter - H00-H59
4. Section - H10-H11
5. Category - H10
6. H10.421

H10.421 - Simple chronic conjunctivitis, right eye

• Applicable to Simple chronic conjunctivitis, right eye
• The 2025 edition of ICD10-CM H10.421 became effective on October 1, 2024.
• This is the American ICD10-CM version of H10.421 - other international versions of ICD10 H10.421 may differ.
• H10.421 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above H10.421 contain annotation back-references that may be applicable to H10.421:

• Chapter: H00-H59 - Diseases of the eye and adnexa
• Section: H10-H11 - Disorders of conjunctiva
• Category: H10 - Conjunctivitis

Browse other similar CM codes:

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