H16.003
✓ Billable
Unspecified corneal ulcer, bilateral
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H16.003
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H16.003?
ICD-10-CM code H16.003 represents Unspecified corneal ulcer, bilateral. It is a billable diagnosis code in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H16.003 billable?
Yes. H16.003 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H16.003 in?
H16.003 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H16 category
H16
Keratitis
Non-billable
H16.0
Corneal ulcer
Non-billable
H16.1
Other and unspecified superficial keratitis without conjunctivitis
Non-billable
H16.2
Keratoconjunctivitis
Non-billable
H16.3
Interstitial and deep keratitis
Non-billable
H16.4
Corneal neovascularization
Non-billable
H16.8
Other keratitis
Billable
H16.9
Unspecified keratitis
Billable
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