H00.02

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Hordeolum internum

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Non-billable category (requires more specific sub-code).
  • Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

Instructional Notes

Includes
  • Infection of meibomian gland
General instructions are available for the parent sections:

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)
H00-H05Disorders of eyelid, lacrimal system and orbit (H00-H05)
H00Hordeolum and chalazion
H00.0Hordeolum (externum) (internum) of eyelid
H00.02Hordeolum internum
H00.021Hordeolum internum right upper eyelid
H00.022Hordeolum internum right lower eyelid
H00.023Hordeolum internum right eye, unspecified eyelid
H00.024Hordeolum internum left upper eyelid
H00.025Hordeolum internum left lower eyelid
H00.026Hordeolum internum left eye, unspecified eyelid
H00.029Hordeolum internum unspecified eye, unspecified eyelid

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H00.02:

blockH00-H05
Disorders of eyelid, lacrimal system and orbit (H00-H05)
View context instructions
chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H00.02. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

7 raw paths

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Hordeolum internum.

Search PCS Codes