H18.449 ICD-10-CM Code: Keratomalacia, unspecified eye
H18.449 is the authoritative medical code for Keratomalacia, unspecified eye. This classification is used in medical billing and clinical recording to specify the clinical criteria for keratomalacia, unspecified eye (ICD-10-CM H18.449), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for H18.449 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- keratomalacia due to vitamin A deficiency (E50.4)
- Mooren's ulcer (H16.0-)
- recurrent erosion of cornea (H18.83-)
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with H18.449?
Per official ICD-10-CM Excludes1 instructions, H18.449 must not be reported together with: keratomalacia due to vitamin A deficiency (E50.4); Mooren's ulcer (H16.0-); recurrent erosion of cornea (H18.83-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to H18.449 in its code family, with their registry titles.
- H18.43 — Other calcerous corneal degeneration
- H18.44 — Keratomalacia
- H18.441 — Keratomalacia, right eye
- H18.442 — Keratomalacia, left eye
- H18.443 — Keratomalacia, bilateral
- H18.45 — Nodular corneal degeneration
- H18.451 — Nodular corneal degeneration, right eye
- H18.452 — Nodular corneal degeneration, left eye
- H18.453 — Nodular corneal degeneration, bilateral
- H18.459 — Nodular corneal degeneration, unspecified eye