H42BillableSave
H42 - Glaucoma in diseases classified elsewhere
ICD-10-CM Chapter 7: Diseases of the eye and adnexa · H40-H42 Glaucoma (H40-H42) · Top-level category · FY2027
Includes, Excludes and Coding Notes
Excludes 1 — Not Coded HereFrom H42
Mutually exclusive: these conditions are never reported together with this code.
- glaucoma (in) onchocerciasis (B73.02)
- glaucoma (in) syphilis (A52.71)
- glaucoma (in) tuberculous (A18.59)
- neovascular secondary angle closure glaucoma (H40.84-)
Code FirstFrom H42
Sequence the underlying condition before this code.
- underlying condition, such as:
- amyloidosis (E85.-)
- aniridia (Q13.1)
- glaucoma (in) diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39)
- Lowe's syndrome (E72.03)
- Rieger anomaly (Q13.81)
- specified metabolic disorder (E70-E88)
Excludes 2 — Not Included HereFrom Chapter H00-H59
Not part of this code; report both codes when the patient has both conditions.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury (trauma) of eye and orbit (S05.-)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
NotesFrom Chapter H00-H59
Instructional notes from the ICD-10-CM tabular list.
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Inpatient DRG Payments
DRG 1253,809 discharges
Other Disorders Of The Eye Without Mcc
Avg. Medicare Payment
$6,400
Total Payment$8,907
Patient Responsibility$2,507
Hospital Charge$43,825
DRG 1241,273 discharges
Other Disorders Of The Eye With Mcc Or Thrombolytic Agent
Avg. Medicare Payment
$11,203
Total Payment$14,054
Patient Responsibility$2,851
Hospital Charge$66,448
Chapter Information
Other categories in this chapter
Codes at the same level as H42
- Hordeolum and chalazionH00
- Other inflammation of eyelidH01
- Other disorders of eyelidH02
- Disorders of lacrimal systemH04
- Disorders of orbitH05
- ConjunctivitisH10
- Other disorders of conjunctivaH11
- Disorders of scleraH15
- KeratitisH16
- Corneal scars and opacitiesH17
- Other disorders of corneaH18
- IridocyclitisH20
- Other disorders of iris and ciliary bodyH21
- Disorders of iris and ciliary body in diseases classified elsewhereH22
- Age-related cataractH25
- Other cataractH26
- Other disorders of lensH27
- Cataract in diseases classified elsewhereH28
- Chorioretinal inflammationH30
- Other disorders of choroidH31
- Chorioretinal disorders in diseases classified elsewhereH32
- Retinal detachments and breaksH33
- Retinal vascular occlusionsH34
- Other retinal disordersH35
- Retinal disorders in diseases classified elsewhereH36
- GlaucomaH40
- Disorders of vitreous bodyH43
- Disorders of globeH44
- Optic neuritisH46
- Other disorders of optic [2nd] nerve and visual pathwaysH47
- Paralytic strabismusH49
- Other strabismusH50
- Other disorders of binocular movementH51
- Disorders of refraction and accommodationH52
- Visual disturbancesH53
- Blindness and low visionH54
- Nystagmus and other irregular eye movementsH55
- Other disorders of eye and adnexaH57
- Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classifiedH59