2027 ICD-10-CM Diagnosis Code H35.041Retinal micro-aneurysms, unspecified, right eye

ICD-10-CM Codes›H00–H59›H30-H36›H35

ICD-10-CM H35.041
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H35.041 is a billable ICD-10-CM diagnosis code for retinal micro-aneurysms, unspecified, right eye. 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 diabetic intraretinal microvascular anomaly. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions.

Code Identity

ICD-10-CM Code
H35.041
Billable Status
Yes — Valid for Submission
Code Describes
Retinal micro-aneurysms, unspecified, right eye
Short Description
Retinal micro-aneurysms, unspecified, right eye
Same as the full description in the CMS dataset.
Parent Code
Retinal micro-aneurysms, unspecified

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH30-H36Disorders of choroid and retina
CategoryH35Other retinal disorders
This CodeH35.041Retinal micro-aneurysms, unspecified, right eye

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Diabetic intraretinal microvascular anomaly
  • Macroaneurysm of retina of right eye
  • Microaneurysm of retinal artery
  • Microaneurysm of retinal artery due to diabetes mellitus
  • Microaneurysm of right retinal artery
  • Microaneurysm of right retinal artery due to diabetes mellitus
  • Retinal macroaneurysm

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H35.041: its own notes plus those printed at H35.0, H35, and Chapter 7. A note printed at a category, block or chapter applies to every code under it.

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 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)

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From H35.0 Background retinopathy and retinal vascular changes applies to 30 codes
  • any associated hypertension (I10)

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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name H35.041, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming H35.041: they are not reported together with it, unless the two conditions are unrelated.

  • H36 Retinal disorders in diseases classified elsewhere
    arteriosclerotic retinopathy (H35.0-) names H35.0-, which includes this code

Excludes2 4

These codes carry an Excludes2 note naming H35.041: its condition is not part of those codes, and both may be reported when the patient has both.

  • I10 Essential (primary) hypertension
    essential (primary) hypertension involving vessels of eye (H35.0-) names H35.0-, which includes this code
  • I15 Secondary hypertension
    secondary hypertension involving vessels of eye (H35.0-) names H35.0-, which includes this code
  • I72 Other aneurysm
    retinal aneurysm (H35.0) names H35.0, which includes this code
  • I86 Varicose veins of other sites
    retinal varices (H35.0-) names H35.0-, which includes this code

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 H35.041 to ICD-9-CMHistory

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

ICD-9-CM
362.14 Retina microaneurysm NOS
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 H35.041Overview

What is the ICD-10 code for retinal micro-aneurysms, unspecified, right eye?

The ICD-10-CM code for retinal micro-aneurysms, unspecified, right eye is H35.041 (sometimes written as H35041). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H35.041 (Retinal micro-aneurysms, unspecified) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report retinal micro-aneurysms, unspecified, right eye on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does H35.041 group to?

When retinal micro-aneurysms, unspecified, right eye 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.

What is the ICD-9 equivalent of H35.041?

Under the General Equivalence Mappings, retinal micro-aneurysms, unspecified, right eye converts to ICD-9-CM 362.14 (retina microaneurysm NOS). The mapping is approximate, so confirm the match fits the documentation.