ICD-10-CM
ICD-10 code for Conjunctivitis: H10.9
The ICD-10-CM index points "Conjunctivitis" to H10.9, Unspecified conjunctivitis. H10.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- B60.12Acanthamoeba, Conjunctivitis due to AcanthamoebaBillable
- B30.1adenoviral (acute) (follicular), Conjunctivitis due to adenovirusBillable
- B30.3Apollo, Acute epidemic hemorrhagic conjunctivitis (enteroviral)Billable
- B30.2Béal's, Viral pharyngoconjunctivitisBillable
- A54.31blennorrhagic (gonococcal) (neonatorum), Gonococcal conjunctivitisBillable
- A74.0chlamydial, Chlamydial conjunctivitisBillable
- B30.3coxsackievirus 24, Acute epidemic hemorrhagic conjunctivitis (enteroviral)Billable
- A36.86diphtheritic, Diphtheritic conjunctivitisBillable
- B30.3enterovirus type 70 (hemorrhagic), Acute epidemic hemorrhagic conjunctivitis (enteroviral)Billable
- B30.9epidemic (viral), Viral conjunctivitis, unspecifiedBillable
- A54.31gonococcal (neonatorum), Gonococcal conjunctivitisBillable
- A71.1granular (trachomatous), Active stage of trachomaBillable
- B30.3hemorrhagic (acute) (epidemic), Acute epidemic hemorrhagic conjunctivitis (enteroviral)Billable
- B02.31herpes zoster, Zoster conjunctivitisBillable
- A74.0inclusion, Chlamydial conjunctivitisBillable
- P39.1infantile, Neonatal conjunctivitis and dacryocystitisBillable
- A39.89meningococcal, Other meningococcal infectionsBillable
- P39.1neonatal, Neonatal conjunctivitis and dacryocystitisBillable
- B30.8Newcastle, Other viral conjunctivitisBillable
- B30.2of Béal, Viral pharyngoconjunctivitisBillable
- H10.89Parinaud's, Other conjunctivitisBillable
- H10.89petrificans, Other conjunctivitisBillable
- H10.89specified NEC, Other conjunctivitisBillable
- B30.1swimming-pool, Conjunctivitis due to adenovirusBillable
- A71.1trachomatous, Active stage of trachomaBillable
- H10.89traumatic NEC, Other conjunctivitisBillable
- A18.59tuberculous, Other tuberculosis of eyeBillable
- A21.1tularemic, Oculoglandular tularemiaBillable
- A21.1tularensis, Oculoglandular tularemiaBillable
- B30.9viral, Viral conjunctivitis, unspecifiedBillable
More specific codes in H10
A header groups codes and is not billed. A billable code is one you can report.
- H10ConjunctivitisHeader
- H10.0Mucopurulent conjunctivitisHeader
- H10.01Acute follicular conjunctivitisHeader
- H10.02Other mucopurulent conjunctivitisHeader
- H10.1Acute atopic conjunctivitisHeader
- H10.10Acute atopic conjunctivitis, unspecified eyeBillable
- H10.11Acute atopic conjunctivitis, right eyeBillable
- H10.12Acute atopic conjunctivitis, left eyeBillable
- H10.13Acute atopic conjunctivitis, bilateralBillable
- H10.2Other acute conjunctivitisHeader
- H10.21Acute toxic conjunctivitisHeader
- H10.22Pseudomembranous conjunctivitisHeader
- H10.23Serous conjunctivitis, except viralHeader
- H10.3Unspecified acute conjunctivitisHeader
- H10.30Unspecified acute conjunctivitis, unspecified eyeBillable
- H10.31Unspecified acute conjunctivitis, right eyeBillable
- H10.32Unspecified acute conjunctivitis, left eyeBillable
- H10.33Unspecified acute conjunctivitis, bilateralBillable
- H10.4Chronic conjunctivitisHeader
- H10.40Unspecified chronic conjunctivitisHeader
- H10.41Chronic giant papillary conjunctivitisHeader
- H10.42Simple chronic conjunctivitisHeader
- H10.43Chronic follicular conjunctivitisHeader
- H10.44Vernal conjunctivitisBillable
- H10.45Other chronic allergic conjunctivitisBillable
- H10.5BlepharoconjunctivitisHeader
- H10.50Unspecified blepharoconjunctivitisHeader
- H10.51Ligneous conjunctivitisHeader
- H10.52Angular blepharoconjunctivitisHeader
- H10.53Contact blepharoconjunctivitisHeader
- H10.8Other conjunctivitisHeader
- H10.81PingueculitisHeader
- H10.82Rosacea conjunctivitisHeader
- H10.89Other conjunctivitisBillable
- H10.9Unspecified conjunctivitisBillable
Excludes1
Excludes1 means these codes are not reported together.
From H10. A note on a category applies to every code under it.
Related conditions
Related pages
- H10.9 code detailsNotes, nearby codes, CMS-HCC group
- Category H10Every code under it
- Chapter 7Diseases of the eye and adnexa
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Conjunctivitis?
The ICD-10-CM index points "Conjunctivitis" to H10.9, Unspecified conjunctivitis. H10.9 is a billable code.
Is H10.9 billable?
Yes. H10.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to H10.9?
The CDC tabular list gives 1 Excludes1 note (not coded together) for H10.9 and the categories above it. They are listed on this page.
What chapter is H10.9 in?
Chapter 7. Diseases of the eye and adnexa.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.