Mary Jo Bowie MS, BS, AAS, RHIA, RHIT

Disorders of the Eye and Adnexa CHAPTER 12 Disorders of the Eye and Adnexa

Disorders of the Eye and Adnexa—Code Range H00-H59 Disorders of the Eye and Adnexa are reported from Chapter 7 of ICD-10-CM. This chapter contains codes for disorders of the eye and adnexa. Coders should reference the EXCLUDES 2: note at the start of the chapter.

Structures of the Eye Sclera—White portion of the eye Iris—Colored portion of the eye Pupil—Center of the iris Cornea—Transparent nonvascular structure Lens—Structure posterior to the iris Retina—Nerve cell layer of the eye Optic nerve—Nerve that transmits impulses to the brain from the eye

Major Structures of Eye © Cengage Learning 2014

Cross Section of the Structures of the Eyeball © Cengage Learning 2014

Disorders of the Eyelid, Lacrimal System, and Orbit—H00-H05 Diseases reported here include: Hordeolum and chalazion Inflammation of eyelid, including blepharitis Noninfectious dermatoses of eyelid Entropion and trichiasis of eyelid Lacrimal system disorders Diseases and deformities of Orbit

Disorders of Conjunctiva—H10-H11 This block of codes reports: Conjunctivitis—H10. This is a common condition. ICD-10-CM provides much detail in code assignment. Other disorders of conjunctiva—H11 Disorders reported here are conjunctival degeneration, scars, and hemorrhage.

Disorders of Sclera, Cornea, Iris, and Ciliary Body—H15-H22 Disorders reported here include: Scleritis Corneal ulcer Keratitis Corneal neovascularization Corneal pigments and deposits Keratopathy Iridocyclitis

Disorders of the Lens—H25-H28 Diseases reported here include: Cataracts—There are numerous causes of cataracts that are differentiated in ICD-10-CM. Aphakia Dislocation of lens

Disorders of Choroid and Retina—H30-H36 The following disorders are reported here: Chorioretinal inflammation Chorioretinal scars Choroidal degeneration Hereditary choroidal dystrophy Choroidal hemorrhage and rupture Retinal detachments and breaks

Glaucoma—H40-H42 Glaucoma is an eye disease marked by increased pressure within the eyeball. The categories are differentiated according to the types of glaucoma: Glaucoma—H40 Glaucoma in diseases classified elsewhere—H42

Disorders of Vitreous Body and Globe—H43-H44 This block of codes reports: Disorders of Vitreous Body—H43, including vitreous prolapse, hemorrhage, opacities, and degeneration Disorders of the Globe—H44, including purulent and other endophthalmitis, degenerative myopia, hypotony of eye, retained intraocular foreign body, and other disorders

Other Categories of the Eye and Adnexa Disorders of optic nerve and visual pathways—H46-H47, including optic neuritis, papilledema, optic atrophy, optic chiasm, and disorders of visual cortex Disorders of ocular muscles, binocular movement, accommodation, and refraction—H49-H52, including paralytic strabismus, exotropia, and heterotropia

Visual Disturbances and Blindness—H53-H54 This block of codes reports visual disturbances such as color vision deficiencies, blindness, and low vision. Legal blindness is defined after the description for code H54.8.

Other Disorders of the Eye and Adnexa—H55-H59 Diseases reported here include: Nyastagmus and other irregular eye movements Anomalies of pupillary function Ocular pain Intraoperative complications Postprocedural complications

Official Guidelines for Coding and Reporting The Official Guidelines address the following: Glaucoma Assigning glaucoma codes Bilateral glaucoma with same type and stage Bilateral glaucoma with different types or stages Patient admitted with glaucoma and stage evolves during the admission Indeterminate stage glaucoma

Coding Practice Select the correct code for: Cyst of bilateral orbits

Coding Practice Solution Main term to reference in index: Cyst Modifying term: Orbit Code Assignment: H05.813