ICD-10 H10.422
Billable / SpecificSimple chronic conjunctivitis, left eye
About ICD-10-CM H10.422
ICD-10-CM code H10.422 represents Simple chronic conjunctivitis, left eye. This is a billable/specific code in the Eye and Adnexa chapter (block H10). The 2026 edition of ICD-10-CM H10.422 became effective on October 1, 2025.
Medicare LCD Coverage for H10.422
Local Coverage Determinations (LCDs) from CMS MACs that list H10.422 as a covered diagnosis.
Showing top 10 of 48 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H10.422.
3 Medicare
CPT Codes Commonly Billed with H10.422
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 68811 CMS LCD: Billing and Coding: Nasal Punctum-Nasolacrimal Duct Dilation and Probing with or without Irrigation CMS LCD
- 68810 CMS LCD: Billing and Coding: Nasal Punctum-Nasolacrimal Duct Dilation and Probing with or without Irrigation CMS LCD
- 68815 CMS LCD: Billing and Coding: Nasal Punctum-Nasolacrimal Duct Dilation and Probing with or without Irrigation CMS LCD
- 68840 CMS LCD: Billing and Coding: Nasal Punctum-Nasolacrimal Duct Dilation and Probing with or without Irrigation CMS LCD
- 68816 CMS LCD: Billing and Coding: Nasal Punctum-Nasolacrimal Duct Dilation and Probing with or without Irrigation CMS LCD
- 68801 CMS LCD: Billing and Coding: Nasal Punctum-Nasolacrimal Duct Dilation and Probing with or without Irrigation CMS LCD
Convert H10.422 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| H10.422 | 37211 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H10.422
Other codes in section H10-H11 (Disorders of conjunctiva).
ICD-10 H10.422, Billing FAQ
Is ICD-10 code H10.422 billable? +
Yes, H10.422 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with H10.422? +
Procedures frequently paired with H10.422 include: 68811, 68810, 68815, 68840, 68816.
What ICD-9 codes does H10.422 map to? +
Per CMS GEMs, H10.422 maps to ICD-9 codes: 37211. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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