2027 ICD-10-CM Diagnosis Code H35.23Other non-diabetic proliferative retinopathy, bilateral

ICD-10-CM Codes›H00–H59›H30-H36›H35

ICD-10-CM H35.23
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H35.23 is a billable ICD-10-CM diagnosis code for other non-diabetic proliferative retinopathy, bilateral. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 124 through 125. Coders also document this condition as nondiabetic proliferative retinopathy. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions.

Code Identity

ICD-10-CM Code
H35.23
Billable Status
Yes — Valid for Submission
Code Describes
Other non-diabetic proliferative retinopathy, bilateral
Short Description
Other non-diabetic proliferative retinopathy, bilateral
Same as the full description in the CMS dataset.
Parent Code
H35.2
Other non-diabetic proliferative retinopathy

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH30-H36Disorders of choroid and retina
CategoryH35Other retinal disorders
This CodeH35.23Other non-diabetic proliferative retinopathy, bilateral

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Nondiabetic proliferative retinopathy
  • Non-diabetic proliferative retinopathy of bilateral eyes
  • Proliferative retinopathy of bilateral eyes

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H35.23: its own notes plus those printed at H35.2, H35, and Chapter 7. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From H35.2 Other non-diabetic proliferative retinopathy applies to 4 codes
  • proliferative vitreo-retinopathy with retinal detachment (H33.4-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From H35.2 Other non-diabetic proliferative retinopathy applies to 4 codes
  • proliferative sickle-cell retinopathy (H36.82-)
From H35 Other retinal disorders applies to 175 codes
From Chapter 7 (H00-H59) Diseases of the eye and adnexa applies to 2,677 codes
  • 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)

Notes

General instructions on how these codes are used.

From Chapter 7 (H00-H59) Diseases of the eye and adnexa applies to 2,677 codes
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical ClassificationClinical

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

CCSR EYE005
Retinal and vitreous conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Retinal Disorders

Retinal disorders are conditions that affect the retina, the thin light-sensitive tissue at the back of your eye. The retina senses light and sends signals to your brain so you can see.

The full article covers:

  • What are retinal disorders?
  • What causes retinal disorders?
  • What are common retinal disorders?
  • What are the symptoms of retinal disorders?
  • How are retinal disorders diagnosed?
  • How are retinal disorders treated?
  • Can retinal disorders be prevented?

Read the full article at MedlinePlus

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

Convert H35.23 to ICD-9-CMHistory

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

ICD-9-CM
362.29 Prolif retinopathy NEC
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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About H35.23Overview

What is the ICD-10 code for other non-diabetic proliferative retinopathy, bilateral?

The ICD-10-CM code for other non-diabetic proliferative retinopathy, bilateral is H35.23 (sometimes written as H3523). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H35.23 (Other non-diabetic proliferative retinopathy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other non-diabetic proliferative retinopathy, bilateral on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does H35.23 group to?

When other non-diabetic proliferative retinopathy, bilateral is the principal diagnosis on an inpatient stay, it groups to MS-DRG 125, 124, with relative weights from 0.7699 to 1.2470 depending on complications. Higher weights mean higher Medicare reimbursement.

Can H35.23 be reported with a code from H33.4?

Not as a rule. The Excludes1 note at H35.2, which applies to H35.23, lists "proliferative vitreo-retinopathy with retinal detachment (H33.4-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of H35.23?

Under the General Equivalence Mappings, other non-diabetic proliferative retinopathy, bilateral converts to ICD-9-CM 362.29 (prolif retinopathy NEC). The mapping is approximate, so confirm the match fits the documentation.