ICD-10 Code for Blepharitis

Also indexed as (angularis) (ciliaris) (eyelid) (marginal) (nonulcerative)

The ICD-10-CM code for blepharitis is H01.009 — Unspecified blepharitis unspecified eye, unspecified eyelid. This is the code the Alphabetic Index gives for blepharitis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

H01.009 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which blepharitis code should you use?

The Alphabetic Index lists 28 codes under Blepharitis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

herpes zoster	B02.39	Other herpes zoster eye disease
left	H01.006	Unspecified blepharitis left eye, unspecified eyelid
right	H01.003	Unspecified blepharitis right eye, unspecified eyelid
squamous	H01.029	Squamous blepharitis unspecified eye, unspecified eyelid
ulcerative	H01.019	Ulcerative blepharitis unspecified eye, unspecified eyelid

Blepharitis left

lower	H01.005	Unspecified blepharitis left lower eyelid
upper	H01.004	Unspecified blepharitis left upper eyelid
upper and lower	H01.00B	Unspecified blepharitis left eye, upper and lower eyelids

Blepharitis right

lower	H01.002	Unspecified blepharitis right lower eyelid
upper	H01.001	Unspecified blepharitis right upper eyelid
upper and lower	H01.00A	Unspecified blepharitis right eye, upper and lower eyelids

Blepharitis squamous

left	H01.026	Squamous blepharitis left eye, unspecified eyelid
right	H01.023	Squamous blepharitis right eye, unspecified eyelid
left › lower	H01.025	Squamous blepharitis left lower eyelid
left › upper	H01.024	Squamous blepharitis left upper eyelid
left › upper and lower	H01.02B	Squamous blepharitis left eye, upper and lower eyelids
right › lower	H01.022	Squamous blepharitis right lower eyelid
right › upper	H01.021	Squamous blepharitis right upper eyelid
right › upper and lower	H01.02A	Squamous blepharitis right eye, upper and lower eyelids

Blepharitis ulcerative

left	H01.016	Ulcerative blepharitis left eye, unspecified eyelid
right	H01.013	Ulcerative blepharitis right eye, unspecified eyelid
left › lower	H01.015	Ulcerative blepharitis left lower eyelid
left › upper	H01.014	Ulcerative blepharitis left upper eyelid
left › upper and lower	H01.01B	Ulcerative blepharitis left eye, upper and lower eyelids
right › lower	H01.012	Ulcerative blepharitis right lower eyelid
right › upper	H01.011	Ulcerative blepharitis right upper eyelid
right › upper and lower	H01.01A	Ulcerative blepharitis right eye, upper and lower eyelids

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources