ICD-10 H18.602
Billable / SpecificKeratoconus, unspecified, left eye
About ICD-10-CM H18.602
ICD-10-CM code H18.602 represents Keratoconus, unspecified, left eye. This is a billable/specific code in the Eye and Adnexa chapter (block H18). The 2026 edition of ICD-10-CM H18.602 became effective on October 1, 2025.
Medicare LCD Coverage for H18.602
Local Coverage Determinations (LCDs) from CMS MACs that list H18.602 as a covered diagnosis.
Showing top 10 of 12 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H18.602.
5 Medicare
CPT Codes Commonly Billed with H18.602
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert H18.602 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 |
|---|---|---|
| H18.602 | 37160 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H18.602
Other codes in section H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
ICD-10 H18.602, Billing FAQ
Is ICD-10 code H18.602 billable? +
Yes, H18.602 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 H18.602? +
Procedures frequently paired with H18.602 include: 76514, 92499, 92025.
What ICD-9 codes does H18.602 map to? +
Per CMS GEMs, H18.602 maps to ICD-9 codes: 37160. 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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