H10 ICD-10-CM Code: Conjunctivitis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
H10Conjunctivitis
ICD-10-CM diagnosis code · United States clinical modification
Where H10 sits
- 1
Chapter 7
Diseases of the eye and adnexa (H00-H59)
- 2
Section
Disorders of conjunctiva (H10-H11)
- 3
Category H10
Conjunctivitis
- 4
Code H10
Conjunctivitis
Codes under H10
H10 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for H10.
Code first
No “code first” instruction is listed for H10.
Use additional code
No “use additional code” instruction is listed for H10.
Excludes1
Conditions that should not be reported together with this code.
- keratoconjunctivitis (H16.2-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for H10.
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 H10 mean?
H10 is the FY 2027 U.S. ICD-10-CM code for “Conjunctivitis.”
Is H10 a billable or specific ICD-10-CM code?
No. H10 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 H10 located in ICD-10-CM?
H10 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Disorders of conjunctiva (H10-H11) (H10–H11), under category H10, Conjunctivitis.
What coding notes are listed for H10?
No inclusion terms are listed for H10 in this reference record. No code-first instruction is listed. Excludes1 notes: keratoconjunctivitis (H16.2-). No Excludes2 note is listed.