ICD-10-CM category
H10: Conjunctivitis
Codes under H10 (Conjunctivitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| H10.0 | Mucopurulent conjunctivitis | — |
| H10.0 | Mucopurulent conjunctivitis | — |
| H10.01 | Acute follicular conjunctivitis | — |
| H10.01 | Acute follicular conjunctivitis | — |
| H10.1 | Acute atopic conjunctivitis | — |
| H10.1 | Acute atopic conjunctivitis | — |
| H10.02 | Other mucopurulent conjunctivitis | — |
| H10.02 | Other mucopurulent conjunctivitis | — |
| H10.2 | Other acute conjunctivitis | — |
| H10.2 | Other acute conjunctivitis | — |
| H10.3 | Unspecified acute conjunctivitis | — |
| H10.3 | Unspecified acute conjunctivitis | — |
| H10.4 | Chronic conjunctivitis | — |
| H10.4 | Chronic conjunctivitis | — |
| H10.5 | Blepharoconjunctivitis | — |
| H10.5 | Blepharoconjunctivitis | — |
| H10.8 | Other conjunctivitis | — |
| H10.8 | Other conjunctivitis | — |
| H10.9 | Unspecified conjunctivitis | ✓ |
| H10.9 | Unspecified conjunctivitis | ✓ |
| H10.10 | Acute atopic conjunctivitis, unspecified eye | ✓ |
| H10.10 | Acute atopic conjunctivitis, unspecified eye | ✓ |
| H10.011 | Acute follicular conjunctivitis, right eye | ✓ |
| H10.011 | Acute follicular conjunctivitis, right eye | ✓ |
| H10.11 | Acute atopic conjunctivitis, right eye | ✓ |
| H10.11 | Acute atopic conjunctivitis, right eye | ✓ |
| H10.012 | Acute follicular conjunctivitis, left eye | ✓ |
| H10.012 | Acute follicular conjunctivitis, left eye | ✓ |
| H10.12 | Acute atopic conjunctivitis, left eye | ✓ |
| H10.12 | Acute atopic conjunctivitis, left eye | ✓ |
| H10.013 | Acute follicular conjunctivitis, bilateral | ✓ |
| H10.013 | Acute follicular conjunctivitis, bilateral | ✓ |
| H10.13 | Acute atopic conjunctivitis, bilateral | ✓ |
| H10.13 | Acute atopic conjunctivitis, bilateral | ✓ |
| H10.019 | Acute follicular conjunctivitis, unspecified eye | ✓ |
| H10.019 | Acute follicular conjunctivitis, unspecified eye | ✓ |
| H10.021 | Other mucopurulent conjunctivitis, right eye | ✓ |
| H10.021 | Other mucopurulent conjunctivitis, right eye | ✓ |
| H10.21 | Acute toxic conjunctivitis | — |
| H10.21 | Acute toxic conjunctivitis | — |
| H10.022 | Other mucopurulent conjunctivitis, left eye | ✓ |
| H10.022 | Other mucopurulent conjunctivitis, left eye | ✓ |
| H10.22 | Pseudomembranous conjunctivitis | — |
| H10.22 | Pseudomembranous conjunctivitis | — |
| H10.023 | Other mucopurulent conjunctivitis, bilateral | ✓ |
| H10.023 | Other mucopurulent conjunctivitis, bilateral | ✓ |
| H10.23 | Serous conjunctivitis, except viral | — |
| H10.23 | Serous conjunctivitis, except viral | — |
| H10.029 | Other mucopurulent conjunctivitis, unspecified eye | ✓ |
| H10.029 | Other mucopurulent conjunctivitis, unspecified eye | ✓ |
| H10.30 | Unspecified acute conjunctivitis, unspecified eye | ✓ |
| H10.30 | Unspecified acute conjunctivitis, unspecified eye | ✓ |
| H10.31 | Unspecified acute conjunctivitis, right eye | ✓ |
| H10.31 | Unspecified acute conjunctivitis, right eye | ✓ |
| H10.32 | Unspecified acute conjunctivitis, left eye | ✓ |
| H10.32 | Unspecified acute conjunctivitis, left eye | ✓ |
| H10.33 | Unspecified acute conjunctivitis, bilateral | ✓ |
| H10.33 | Unspecified acute conjunctivitis, bilateral | ✓ |
| H10.40 | Unspecified chronic conjunctivitis | — |
| H10.40 | Unspecified chronic conjunctivitis | — |
| H10.41 | Chronic giant papillary conjunctivitis | — |
| H10.41 | Chronic giant papillary conjunctivitis | — |
| H10.42 | Simple chronic conjunctivitis | — |
| H10.42 | Simple chronic conjunctivitis | — |
| H10.43 | Chronic follicular conjunctivitis | — |
| H10.43 | Chronic follicular conjunctivitis | — |
| H10.44 | Vernal conjunctivitis | ✓ |
| H10.44 | Vernal conjunctivitis | ✓ |
| H10.45 | Other chronic allergic conjunctivitis | ✓ |
| H10.45 | Other chronic allergic conjunctivitis | ✓ |
| H10.50 | Unspecified blepharoconjunctivitis | — |
| H10.50 | Unspecified blepharoconjunctivitis | — |
| H10.51 | Ligneous conjunctivitis | — |
| H10.51 | Ligneous conjunctivitis | — |
| H10.52 | Angular blepharoconjunctivitis | — |
| H10.52 | Angular blepharoconjunctivitis | — |
| H10.53 | Contact blepharoconjunctivitis | — |
| H10.53 | Contact blepharoconjunctivitis | — |
| H10.81 | Pingueculitis | — |
| H10.81 | Pingueculitis | — |
| H10.82 | Rosacea conjunctivitis | — |
| H10.82 | Rosacea conjunctivitis | — |
| H10.89 | Other conjunctivitis | ✓ |
| H10.89 | Other conjunctivitis | ✓ |
| H10.211 | Acute toxic conjunctivitis, right eye | ✓ |
| H10.211 | Acute toxic conjunctivitis, right eye | ✓ |
| H10.212 | Acute toxic conjunctivitis, left eye | ✓ |
| H10.212 | Acute toxic conjunctivitis, left eye | ✓ |
| H10.213 | Acute toxic conjunctivitis, bilateral | ✓ |
| H10.213 | Acute toxic conjunctivitis, bilateral | ✓ |
| H10.219 | Acute toxic conjunctivitis, unspecified eye | ✓ |
| H10.219 | Acute toxic conjunctivitis, unspecified eye | ✓ |
| H10.221 | Pseudomembranous conjunctivitis, right eye | ✓ |
| H10.221 | Pseudomembranous conjunctivitis, right eye | ✓ |
| H10.222 | Pseudomembranous conjunctivitis, left eye | ✓ |
| H10.222 | Pseudomembranous conjunctivitis, left eye | ✓ |
| H10.223 | Pseudomembranous conjunctivitis, bilateral | ✓ |
| H10.223 | Pseudomembranous conjunctivitis, bilateral | ✓ |
| H10.229 | Pseudomembranous conjunctivitis, unspecified eye | ✓ |
| H10.229 | Pseudomembranous conjunctivitis, unspecified eye | ✓ |
| H10.231 | Serous conjunctivitis, except viral, right eye | ✓ |
| H10.231 | Serous conjunctivitis, except viral, right eye | ✓ |
| H10.232 | Serous conjunctivitis, except viral, left eye | ✓ |
| H10.232 | Serous conjunctivitis, except viral, left eye | ✓ |
| H10.233 | Serous conjunctivitis, except viral, bilateral | ✓ |
| H10.233 | Serous conjunctivitis, except viral, bilateral | ✓ |
| H10.239 | Serous conjunctivitis, except viral, unspecified eye | ✓ |
| H10.239 | Serous conjunctivitis, except viral, unspecified eye | ✓ |
| H10.401 | Unspecified chronic conjunctivitis, right eye | ✓ |
| H10.401 | Unspecified chronic conjunctivitis, right eye | ✓ |
| H10.402 | Unspecified chronic conjunctivitis, left eye | ✓ |
| H10.402 | Unspecified chronic conjunctivitis, left eye | ✓ |
| H10.403 | Unspecified chronic conjunctivitis, bilateral | ✓ |
| H10.403 | Unspecified chronic conjunctivitis, bilateral | ✓ |
| H10.409 | Unspecified chronic conjunctivitis, unspecified eye | ✓ |
| H10.409 | Unspecified chronic conjunctivitis, unspecified eye | ✓ |
| H10.411 | Chronic giant papillary conjunctivitis, right eye | ✓ |
| H10.411 | Chronic giant papillary conjunctivitis, right eye | ✓ |
| H10.412 | Chronic giant papillary conjunctivitis, left eye | ✓ |
| H10.412 | Chronic giant papillary conjunctivitis, left eye | ✓ |
| H10.413 | Chronic giant papillary conjunctivitis, bilateral | ✓ |
| H10.413 | Chronic giant papillary conjunctivitis, bilateral | ✓ |
| H10.419 | Chronic giant papillary conjunctivitis, unspecified eye | ✓ |
| H10.419 | Chronic giant papillary conjunctivitis, unspecified eye | ✓ |
| H10.421 | Simple chronic conjunctivitis, right eye | ✓ |
| H10.421 | Simple chronic conjunctivitis, right eye | ✓ |
| H10.422 | Simple chronic conjunctivitis, left eye | ✓ |
| H10.422 | Simple chronic conjunctivitis, left eye | ✓ |
| H10.423 | Simple chronic conjunctivitis, bilateral | ✓ |
| H10.423 | Simple chronic conjunctivitis, bilateral | ✓ |
| H10.429 | Simple chronic conjunctivitis, unspecified eye | ✓ |
| H10.429 | Simple chronic conjunctivitis, unspecified eye | ✓ |
| H10.431 | Chronic follicular conjunctivitis, right eye | ✓ |
| H10.431 | Chronic follicular conjunctivitis, right eye | ✓ |
| H10.432 | Chronic follicular conjunctivitis, left eye | ✓ |
| H10.432 | Chronic follicular conjunctivitis, left eye | ✓ |
| H10.433 | Chronic follicular conjunctivitis, bilateral | ✓ |
| H10.433 | Chronic follicular conjunctivitis, bilateral | ✓ |
| H10.439 | Chronic follicular conjunctivitis, unspecified eye | ✓ |
| H10.439 | Chronic follicular conjunctivitis, unspecified eye | ✓ |
| H10.501 | Unspecified blepharoconjunctivitis, right eye | ✓ |
| H10.501 | Unspecified blepharoconjunctivitis, right eye | ✓ |
| H10.502 | Unspecified blepharoconjunctivitis, left eye | ✓ |
| H10.502 | Unspecified blepharoconjunctivitis, left eye | ✓ |
| H10.503 | Unspecified blepharoconjunctivitis, bilateral | ✓ |
| H10.503 | Unspecified blepharoconjunctivitis, bilateral | ✓ |
| H10.509 | Unspecified blepharoconjunctivitis, unspecified eye | ✓ |
| H10.509 | Unspecified blepharoconjunctivitis, unspecified eye | ✓ |
| H10.511 | Ligneous conjunctivitis, right eye | ✓ |
| H10.511 | Ligneous conjunctivitis, right eye | ✓ |
| H10.512 | Ligneous conjunctivitis, left eye | ✓ |
| H10.512 | Ligneous conjunctivitis, left eye | ✓ |
| H10.513 | Ligneous conjunctivitis, bilateral | ✓ |
| H10.513 | Ligneous conjunctivitis, bilateral | ✓ |
| H10.519 | Ligneous conjunctivitis, unspecified eye | ✓ |
| H10.519 | Ligneous conjunctivitis, unspecified eye | ✓ |
| H10.521 | Angular blepharoconjunctivitis, right eye | ✓ |
| H10.521 | Angular blepharoconjunctivitis, right eye | ✓ |
| H10.522 | Angular blepharoconjunctivitis, left eye | ✓ |
| H10.522 | Angular blepharoconjunctivitis, left eye | ✓ |
| H10.523 | Angular blepharoconjunctivitis, bilateral | ✓ |
| H10.523 | Angular blepharoconjunctivitis, bilateral | ✓ |
| H10.529 | Angular blepharoconjunctivitis, unspecified eye | ✓ |
| H10.529 | Angular blepharoconjunctivitis, unspecified eye | ✓ |
| H10.531 | Contact blepharoconjunctivitis, right eye | ✓ |
| H10.531 | Contact blepharoconjunctivitis, right eye | ✓ |
| H10.532 | Contact blepharoconjunctivitis, left eye | ✓ |
| H10.532 | Contact blepharoconjunctivitis, left eye | ✓ |
| H10.533 | Contact blepharoconjunctivitis, bilateral | ✓ |
| H10.533 | Contact blepharoconjunctivitis, bilateral | ✓ |
| H10.539 | Contact blepharoconjunctivitis, unspecified eye | ✓ |
| H10.539 | Contact blepharoconjunctivitis, unspecified eye | ✓ |
| H10.811 | Pingueculitis, right eye | ✓ |
| H10.811 | Pingueculitis, right eye | ✓ |
| H10.812 | Pingueculitis, left eye | ✓ |
| H10.812 | Pingueculitis, left eye | ✓ |
| H10.813 | Pingueculitis, bilateral | ✓ |
| H10.813 | Pingueculitis, bilateral | ✓ |
| H10.819 | Pingueculitis, unspecified eye | ✓ |
| H10.819 | Pingueculitis, unspecified eye | ✓ |
| H10.821 | Rosacea conjunctivitis, right eye | ✓ |
| H10.821 | Rosacea conjunctivitis, right eye | ✓ |
| H10.822 | Rosacea conjunctivitis, left eye | ✓ |
| H10.822 | Rosacea conjunctivitis, left eye | ✓ |
| H10.823 | Rosacea conjunctivitis, bilateral | ✓ |
| H10.823 | Rosacea conjunctivitis, bilateral | ✓ |
| H10.829 | Rosacea conjunctivitis, unspecified eye | ✓ |
| H10.829 | Rosacea conjunctivitis, unspecified eye | ✓ |
Frequently asked questions
What is ICD-10-CM code H10?
H10 is an ICD-10-CM category covering Conjunctivitis. It contains 188 more specific diagnosis codes, 144 of which are billable.
Is H10 a billable code?
No — H10 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example H10.0 — Mucopurulent conjunctivitis). 144 of the 188 codes under H10 are billable.
What codes fall under H10?
H10 includes H10.0, H10.0, H10.01, H10.01, H10.1, plus 183 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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