2026 ICD-10-CM Diagnosis Code H47.12Papilledema associated with decreased ocular pressure

ICD-10-CM Codes›H00–H59›H46-H47›H47

ICD-10-CM H47.12
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H47.12 is a billable ICD-10-CM diagnosis code for papilledema associated with decreased ocular pressure. 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 edema of optic disc of bilateral eyes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neuro-ophthalmology.

Code Identity

ICD-10-CM Code
H47.12
Billable Status
Yes — Valid for Submission
Code Describes
Papilledema associated with decreased ocular pressure
Short Description
Papilledema associated with decreased ocular pressure
Same as the full description in the CMS dataset.
Parent Code
H47.1
Papilledema

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 CodeH47.12Papilledema associated with decreased ocular pressure

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Edema of optic disc of bilateral eyes
  • Edema of optic disc of left eye
  • Edema of optic disc of right eye
  • Optic disc edema due to hypotony
  • Papilledema of bilateral eyes due to intraocular pressure below reference range
  • Papilledema of eye due to intraocular pressure below reference range
  • Papilledema of left eye due to intraocular pressure below reference range
  • Papilledema of right eye due to intraocular pressure below reference range

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Papilledema(choked disc)
      • associated with
        • decreased ocular pressure

Clinical ClassificationClinical

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

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

Clinical InformationClinical

  • Papilledema

    swelling of the optic disk, usually in association with increased intracranial pressure, characterized by hyperemia, blurring of the disk margins, microhemorrhages, blind spot enlargement, and engorgement of retinal veins. chronic papilledema may cause optic atrophy and visual loss. (miller et al., clinical neuro-ophthalmology, 4th ed, p175)

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 H47.12 to ICD-9-CMHistory

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

ICD-9-CM
377.02 Papilledema w decr press
Exact Match The mapping is direct, with no qualifiers.

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 H47.12Overview

Is H47.12 (Papilledema) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report papilledema associated with decreased ocular pressure on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H47.12 group to?

When papilledema associated with decreased ocular pressure 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 H47.12?

Under the General Equivalence Mappings, papilledema associated with decreased ocular pressure converts to ICD-9-CM 377.02 (papilledema w decr press). The mapping is a direct match.

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.