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ICD10BillableValid for clinical use

ICD-10 Code E10.8: Type 1 diabetes mellitus with unspecified complications

E10.8 is a billable ICD-10 diagnosis code used to classify Type 1 diabetes mellitus with unspecified complications 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).

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).

šŸ“‹Clinical overview

This ICD-10 code is commonly used when documentation describes diabetes or diabetes-related clinical context. The exact code selection depends on the diabetes type, whether complications are documented, and how specific the charting is.

When is it used?

  • May be used when a clinician documents type 1 diabetes mellitus with unspecified complications 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.

šŸ©ŗClinical context

When commonly used
  • Outpatient and inpatient documentation where diabetes is an active diagnosis or part of chronic disease management.
  • Risk adjustment, utilization review, and continuity-of-care summaries where diabetes status needs to be carried forward.
Common workup
  • Common related testing on this page includes Hemoglobin A1c, Fasting blood glucose, Urine albumin creatinine ratio.
  • Related procedures or service context already linked on this page include Diabetic retinal exam, Diabetic foot examination, Medical nutrition therapy.
Common management context
  • Diabetes care often involves primary care, endocrinology, eye screening, kidney-risk monitoring, and foot-care follow-up.
  • Medication reconciliation and longitudinal follow-up matter because treatment intensity and complication status can change over time.
  • Specialist context already linked on this page includes Endocrinologist, General Physician.

šŸ”Key distinctions

Important notes
  • ICD-10 diabetes coding usually becomes more specific when the record documents complications such as kidney disease, neuropathy, retinopathy, ulcers, or hypoglycemia.
  • If the record identifies the diabetes type or a complication clearly, a more detailed family code may be more appropriate than a broad default code.
  • Complication-linked diabetes documentation usually depends on clear chart language connecting the diabetes diagnosis to the affected organ system or condition.
Related codes to consider
E10.1Type 1 diabetes mellitus with ketoacidosis
Related diabetes-family ICD-10 code; documentation often becomes more specific when type or complication detail is available.
E10.2Type 1 diabetes mellitus with kidney complications
Related diabetes-family ICD-10 code; documentation often becomes more specific when type or complication detail is available.
E10.3Type 1 diabetes mellitus with ophthalmic complications
Related diabetes-family ICD-10 code; documentation often becomes more specific when type or complication detail is available.
E10.4Type 1 diabetes mellitus with neurological complications
Related diabetes-family ICD-10 code; documentation often becomes more specific when type or complication detail is available.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E08-E13Diabetes mellitus
category
E10Type 1 diabetes mellitus
currentE10

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

Related tests

Hemoglobin A1c
Commonly used to review longer-term glycemic control in diabetes care.
Fasting blood glucose
May help assess fasting glucose levels in diabetes evaluation and follow-up.
Urine albumin creatinine ratio
Often reviewed when screening for diabetic kidney involvement.

Related procedures

Diabetic retinal exam
Commonly part of diabetes complication screening and follow-up pathways.
Diabetic foot examination
Often used in routine diabetes care to review neuropathy and ulcer risk.
Medical nutrition therapy
May appear in care pathways for diabetes education and ongoing management.

Coverage-related procedures and services

CPT 11720high
DEBRIDEMENT OF NAIL(S) BY ANY METHOD(S); 1 TO 5
Source: CMS coverage guidance
CPT 11721high
DEBRIDEMENT OF NAIL(S) BY ANY METHOD(S); 6 OR MORE
Source: CMS coverage guidance
CPT 93350high
ECHOCARDIOGRAPHY, TRANSTHORACIC, REAL-TIME WITH IMAGE DOCUMENTATION (2D), INCLUDES M-MODE RECORDING, WHEN PERFORMED, DURING REST AND CARDIOVASCULAR STRESS TEST USING TREADMILL, BICYCLE EXERCISE AND/OR PHARMACOLOGICALLY INDUCED STRESS, WITH INTERPRETATION AND REPORT;
Source: CMS coverage guidance
CPT 93351high
ECHOCARDIOGRAPHY, TRANSTHORACIC, REAL-TIME WITH IMAGE DOCUMENTATION (2D), INCLUDES M-MODE RECORDING, WHEN PERFORMED, DURING REST AND CARDIOVASCULAR STRESS TEST USING TREADMILL, BICYCLE EXERCISE AND/OR PHARMACOLOGICALLY INDUCED STRESS, WITH INTERPRETATION AND REPORT; INCLUDING PERFORMANCE OF CONTINUOUS ELECTROCARDIOGRAPHIC MONITORING, WITH SUPERVISION BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance
HCPCS J0153high
INJECTION, ADENOSINE, 1 MG (NOT TO BE USED TO REPORT ANY ADENOSINE PHOSPHATE COMPOUNDS)
Source: CMS coverage guidance
HCPCS J1245high
INJECTION, DIPYRIDAMOLE, PER 10 MG
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
E10.8

Common synonyms

Type 1 diabetes mellitus with unspecified complicationsType 1 diabetes mellitus with complications

Frequently asked questions

Code details

CodeE10.8
SystemICD10
Display nameType 1 diabetes mellitus with unspecified complications
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.