H00.01 ICD-10-CM Code: Hordeolum externum
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
H00.01Hordeolum externum
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where H00.01 sits
- 1
Chapter 7
Diseases of the eye and adnexa (H00-H59)
- 2
Section
Disorders of eyelid, lacrimal system and orbit (H00-H05)
- 3
Category H00
Hordeolum and chalazion
- 4
Subcategory H00.0
Hordeolum (externum) (internum) of eyelid
- 5
Code H00.01
Hordeolum externum
More specific choices
Codes under H00.01
H00.01 is a non-billable category. Choose the child code that best matches the documented diagnosis.
H00.011Hordeolum externum right upper eyelid
H00.012Hordeolum externum right lower eyelid
H00.013Hordeolum externum right eye, unspecified eyelid
H00.014Hordeolum externum left upper eyelid
H00.015Hordeolum externum left lower eyelid
H00.016Hordeolum externum left eye, unspecified eyelid
H00.019Hordeolum externum unspecified eye, unspecified eyelid
Documentation details
Notes for this code
Inclusion terms
- Hordeolum NOS
- Stye
Code first
No “code first” instruction is listed for H00.01.
Use additional code
No “use additional code” instruction is listed for H00.01.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H00.01.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for H00.01.
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 H00.01 mean?
H00.01 is the FY 2027 U.S. ICD-10-CM code for “Hordeolum externum.”
Is H00.01 a billable or specific ICD-10-CM code?
No. H00.01 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 H00.01 located in ICD-10-CM?
H00.01 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Disorders of eyelid, lacrimal system and orbit (H00-H05) (H00–H05), under category H00, Hordeolum and chalazion and subcategory H00.0, Hordeolum (externum) (internum) of eyelid.
What coding notes are listed for H00.01?
Its listed inclusion terms are Hordeolum NOS; Stye. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Keep exploring
Related H00.0 codes
Ready to transform your clinical documentation?
Join Vero and see how effortless documentation can be.
No credit card required
Cancel anytime