H10.4 ICD-10-CM Code: Chronic conjunctivitis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
H10.4Chronic conjunctivitis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where H10.4 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 H10.4
Chronic conjunctivitis
More specific choices
Codes under H10.4
H10.4 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 H10.4.
Code first
No “code first” instruction is listed for H10.4.
Use additional code
No “use additional code” instruction is listed for H10.4.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H10.4.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for H10.4.
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 H10.4 mean?
H10.4 is the FY 2027 U.S. ICD-10-CM code for “Chronic conjunctivitis.”
Is H10.4 a billable or specific ICD-10-CM code?
No. H10.4 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 H10.4 located in ICD-10-CM?
H10.4 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 H10.4?
No inclusion terms are listed for H10.4 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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