H18.549 ICD-10-CM Code: Lattice corneal dystrophy, unspecified eye
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
H18.549Lattice corneal dystrophy, unspecified eye
ICD-10-CM diagnosis code · United States clinical modification
Where H18.549 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 H18
Other disorders of cornea
- 4
Subcategory H18.54
Lattice corneal dystrophy
- 5
Code H18.549
Lattice corneal dystrophy, unspecified eye
Notes for this code
Inclusion terms
No inclusion terms are listed for H18.549.
Code first
No “code first” instruction is listed for H18.549.
Use additional code
No “use additional code” instruction is listed for H18.549.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H18.549.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for H18.549.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
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.
Frequently asked questions
What does ICD-10-CM code H18.549 mean?
H18.549 is the FY 2027 U.S. ICD-10-CM code for “Lattice corneal dystrophy, unspecified eye.”
Is H18.549 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, H18.549 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is H18.549 located in ICD-10-CM?
H18.549 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 H18, Other disorders of cornea and subcategory H18.54, Lattice corneal dystrophy.
What coding notes are listed for H18.549?
No inclusion terms are listed for H18.549 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.