H40.1220

H40.1220: Low-tension glaucoma, left eye, stage unspecified

Billable / specific codeICD-10-CMleft

H40.1220 is a billable, specific ICD-10-CM code for low-tension glaucoma, left eye, stage unspecified. It is valid for submission on a claim.

Check H40.1220 with the rest of the claim: free scrubber

7th character "0": stage unspecified

One of the following 7th characters is to be assigned to each code in subcategory H40.12 to designate the stage of glaucoma

0: stage unspecified
1: mild stage
2: moderate stage
3: severe stage
4: indeterminate stage

Excludes1 inherited from the categories above H40.1220

A category’s note binds every code beneath it.

Written on H40: Glaucoma

absolute glaucoma (H44.51-)
congenital glaucoma (Q15.0)
traumatic glaucoma due to birth injury (P15.3)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H40.1220 is named in 9 Medicare coverage policies: 9 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56453Billing and Coding: Cataract Extraction
A56457Billing and Coding: Corneal Pachymetry
A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
A56548Billing and Coding: Corneal Pachymetry

Code history

Unchanged in every release from FY2024 to FY2027.