ICD10BillableValid for clinical use

ICD-10 Code E08.311: Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema

E08.311 is a billable ICD-10 diagnosis code used to classify Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

When is it used?

  • May be used when a clinician documents diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E08-E13Diabetes mellitus
category
E08Diabetes mellitus due to underlying condition
category
E08.3Diabetes mellitus due to underlying condition with ophthalmic complications
category
E08.31Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy
currentE08.31

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

EndocrinologistGeneral Physician

Coverage-related procedures and services

CPT 0446Thigh
CREATION OF SUBCUTANEOUS POCKET WITH INSERTION OF IMPLANTABLE INTERSTITIAL GLUCOSE SENSOR, INCLUDING SYSTEM ACTIVATION AND PATIENT TRAINING
Source: CMS coverage guidance
CPT 0448Thigh
REMOVAL OF IMPLANTABLE INTERSTITIAL GLUCOSE SENSOR WITH CREATION OF SUBCUTANEOUS POCKET AT DIFFERENT ANATOMIC SITE AND INSERTION OF NEW IMPLANTABLE SENSOR, INCLUDING SYSTEM ACTIVATION
Source: CMS coverage guidance
CPT 0447Thigh
REMOVAL OF IMPLANTABLE INTERSTITIAL GLUCOSE SENSOR FROM SUBCUTANEOUS POCKET VIA INCISION
Source: CMS coverage guidance
CPT 0509Thigh
ELECTRORETINOGRAPHY (ERG) WITH INTERPRETATION AND REPORT, PATTERN (PERG)
Source: CMS coverage guidance
CPT 92273high
ELECTRORETINOGRAPHY (ERG), WITH INTERPRETATION AND REPORT; FULL FIELD (IE, FFERG, FLASH ERG, GANZFELD ERG)
Source: CMS coverage guidance
CPT 92274high
ELECTRORETINOGRAPHY (ERG), WITH INTERPRETATION AND REPORT; MULTIFOCAL (MFERG)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edemaDiabetes mellitus due to underlying condition with diabetic retinopathy with macular edema

Frequently asked questions

Code details

CodeE08.311
SystemICD10
Display nameDiabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockDiabetes mellitus

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Diabetes, diabetic(mellitus) (sugar)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.