H16.00 ICD-10-CM Code: Unspecified corneal ulcer
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
H16.00Unspecified corneal ulcer
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where H16.00 sits
- 1
Chapter 7
Diseases of the eye and adnexa (H00-H59)
- 2
Section
Disorders of sclera, cornea, iris and ciliary body (H15-H22)
- 3
Category H16
Keratitis
- 4
Subcategory H16.0
Corneal ulcer
- 5
Code H16.00
Unspecified corneal ulcer
More specific choices
Codes under H16.00
H16.00 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for H16.00.
Code first
No “code first” instruction is listed for H16.00.
Use additional code
No “use additional code” instruction is listed for H16.00.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H16.00.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for H16.00.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code H16.00 mean?
H16.00 is the FY 2027 U.S. ICD-10-CM code for “Unspecified corneal ulcer.”
Is H16.00 a billable or specific ICD-10-CM code?
No. H16.00 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is H16.00 located in ICD-10-CM?
H16.00 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Disorders of sclera, cornea, iris and ciliary body (H15-H22) (H15–H22), under category H16, Keratitis and subcategory H16.0, Corneal ulcer.
What coding notes are listed for H16.00?
No inclusion terms are listed for H16.00 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Keep exploring
Related H16.0 codes
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