H40.12

Low-tension glaucoma

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
H40.121	Low-tension glaucoma, right eye	Category
H40.1210	Low-tension glaucoma, right eye, stage unspecified	Billable
H40.1211	Low-tension glaucoma, right eye, mild stage	Billable
H40.1212	Low-tension glaucoma, right eye, moderate stage	Billable
H40.1213	Low-tension glaucoma, right eye, severe stage	Billable
H40.1214	Low-tension glaucoma, right eye, indeterminate stage	Billable
H40.122	Low-tension glaucoma, left eye	Category
H40.1220	Low-tension glaucoma, left eye, stage unspecified	Billable
H40.1221	Low-tension glaucoma, left eye, mild stage	Billable
H40.1222	Low-tension glaucoma, left eye, moderate stage	Billable
H40.1223	Low-tension glaucoma, left eye, severe stage	Billable
H40.1224	Low-tension glaucoma, left eye, indeterminate stage	Billable
H40.123	Low-tension glaucoma, bilateral	Category
H40.1230	Low-tension glaucoma, bilateral, stage unspecified	Billable
H40.1231	Low-tension glaucoma, bilateral, mild stage	Billable
H40.1232	Low-tension glaucoma, bilateral, moderate stage	Billable
H40.1233	Low-tension glaucoma, bilateral, severe stage	Billable
H40.1234	Low-tension glaucoma, bilateral, indeterminate stage	Billable
H40.129	Low-tension glaucoma, unspecified eye	Category
H40.1290	Low-tension glaucoma, unspecified eye, stage unspecified	Billable
H40.1291	Low-tension glaucoma, unspecified eye, mild stage	Billable
H40.1292	Low-tension glaucoma, unspecified eye, moderate stage	Billable
H40.1293	Low-tension glaucoma, unspecified eye, severe stage	Billable
H40.1294	Low-tension glaucoma, unspecified eye, indeterminate stage	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.