H00.02 is the authoritative medical code for Hordeolum internum. This classification is used in medical billing and clinical recording to specify the clinical criteria for hordeolum internum (ICD-10-CM H00.02), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Hordeolum internum is a non-billable ICD-10-CM category code H00.02. A more specific billable subcode must be selected for claims submission. Inclusion terms: Infection of meibomian gland. Excludes2 (not included here): open wound of eyelid S01.1-; superficial injury of eyelid (S00.1-, S00.2-).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for H00.02 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Infection of meibomian gland
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- open wound of eyelid S01.1-
- superficial injury of eyelid (S00.1-, S00.2-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can H00.02 be billed directly?
No. H00.02 (Hordeolum internum) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Can H00.02 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, H00.02 and the following are not considered part of each other and may both be reported when both conditions are present: open wound of eyelid (S01.1-); superficial injury of eyelid (S00.1-, S00.2-).
What conditions are included under H00.02?
Hordeolum internum includes: Infection of meibomian gland.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to H00.02 in its code family, with their registry titles.
- H00 — Hordeolum and chalazion
- H00-H05 — Disorders of eyelid, lacrimal system and orbit (H00-H05)
- H00.0 — Hordeolum (externum) (internum) of eyelid
- H00.01 — Hordeolum externum
- H00.011 — Hordeolum externum right upper eyelid
- H00.012 — Hordeolum externum right lower eyelid
- H00.013 — Hordeolum externum right eye, unspecified eyelid
- H00.014 — Hordeolum externum left upper eyelid
- H00.015 — Hordeolum externum left lower eyelid
- H00.016 — Hordeolum externum left eye, unspecified eyelid
View all 34 codes in the H00 family