2026 ICD-10-CM Diagnosis Code H47.393Other disorders of optic disc, bilateral

ICD-10-CM Codes›H00–H59›H46-H47›H47

ICD-10-CM H47.393
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H47.393 is a billable ICD-10-CM diagnosis code for other disorders of optic disc, bilateral. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 124 through 125. Coders also document this condition as asymmetry of neuroretinal rim. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neuro-ophthalmology.

Code Identity

ICD-10-CM Code
H47.393
Billable Status
Yes — Valid for Submission
Code Describes
Other disorders of optic disc, bilateral
Short Description
Other disorders of optic disc, bilateral
Same as the full description in the CMS dataset.
Parent Code
H47.39
Other disorders of optic disc

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH46-H47Disorders of optic nerve and visual pathways
CategoryH47Other disorders of optic [2nd] nerve and visual pathways
This CodeH47.393Other disorders of optic disc, bilateral

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Asymmetry of neuroretinal rim
  • Asymmetry of neuroretinal rim of left eye
  • Asymmetry of neuroretinal rim of right eye
  • Bilateral asymmetry of neuroretinal rim

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR EYE006
Neuro-ophthalmology
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Optic Nerve Disorders

The optic nerve is a bundle of more than 1 million nerve fibers that carry visual messages. You have one connecting the back of each eye (your retina) to your brain. Damage to an optic nerve can cause vision loss. The type of vision loss and how severe it is depends on where the damage occurs. It may affect one or both eyes.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert H47.393 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
377.22 Crater-like hole op disc
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About H47.393Overview

Is H47.393 (Other disorders of optic disc) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other disorders of optic disc, bilateral on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H47.393 group to?

When other disorders of optic disc, bilateral is the principal diagnosis on an inpatient stay, it groups to MS-DRG 124, 125, with relative weights from 0.7678 to 1.3231 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of H47.393?

Under the General Equivalence Mappings, other disorders of optic disc, bilateral converts to ICD-9-CM 377.22 (crater-like hole op disc). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.