ICD-10 Guide

Abnormal Total Cholesterol

ICD-10 Coding for Abnormal Total Cholesterol(E78.00, E78.01, E78.2)

PRIMARY SPECIALTYInternal Medicine

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Abnormal Total Cholesterol?

Abnormal Total Cholesterol refers to elevated levels of cholesterol in the bloodstream, which can increase the risk of cardiovascular diseases. Key clinical points include: 1) Total cholesterol levels are categorized as desirable (<200 mg/dL), borderline high (200-239 mg/dL), and high (≥240 mg/dL). 2) Etiology includes genetic factors, dietary habits, obesity, and sedentary lifestyle. 3) Pathophysiology involves the accumulation of cholesterol in the arteries, leading to atherosclerosis. 4) Clinical presentation may be asymptomatic, but can lead to chest pain or heart attack in severe cases. Typical use cases for this diagnosis code include routine screenings, management of hyperlipidemia, and assessment of cardiovascular risk in patients with diabetes or hypertension.

Key Clinical Considerations:

Diagnosis requires elevated total cholesterol levels confirmed by laboratory tests.
Signs and symptoms may include fatigue, chest pain, or no symptoms at all.
Resolution criteria include achieving total cholesterol levels within the normal range through lifestyle changes or medication.
Laboratory findings supporting diagnosis include total cholesterol levels measured through a lipid panel.

Clinical Information

Clinical Criteria & Documentation Requirements

Documentation must include the patient's total cholesterol levels, date of testing, and any relevant symptoms.
Compliant documentation: 'Patient's total cholesterol is 250 mg/dL, indicating hyperlipidemia.' Non-compliant: 'Patient has high cholesterol.'
Template phrases: 'Patient diagnosed with abnormal total cholesterol based on lipid panel results.'
Medical necessity documentation should justify the need for cholesterol testing and any prescribed treatment.

Coding Guidelines

Usage Guidelines & Examples

Use this code when a patient has a documented total cholesterol level above 200 mg/dL, such as during a routine health check.
Do NOT use this code if the cholesterol level is within normal limits or if the patient has a different lipid disorder.
Correct usage example: 'Patient with total cholesterol of 245 mg/dL diagnosed with E78.00.' Incorrect: 'Patient with normal cholesterol diagnosed with E78.00.'
Common errors include coding without supporting lab results; ensure lab values are documented.

Code Exclusions

Important Exclusions

Excluded conditions include E78.4 (other hyperlipidemia) and E78.5 (hyperlipidemia, unspecified) as they indicate different lipid profiles.
Alternative codes for exclusions may include E78.1 for pure hypertriglyceridemia.
Common exclusion errors include misclassifying patients with mixed hyperlipidemia as having pure hypercholesterolemia.
Certain conditions are excluded to ensure accurate representation of lipid disorders.

Specialty Focus

Primary Specialty

Internal Medicine

Specialty Applications

This diagnosis applies to patients with elevated cholesterol levels, particularly those with a family history of hyperlipidemia.
Appropriate in clinical scenarios such as routine lipid screening or follow-up of known hyperlipidemia.
Applicable in both outpatient and inpatient settings, particularly in internal medicine and cardiology.
Specialty-specific considerations include the need for comprehensive lipid panels in cardiology practices.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Abnormal total cholesterol diagnosed based on lipid panel results showing 250 mg/dL.'

Template 2

Template: 'Patient presents with fatigue and elevated cholesterol levels consistent with E78.00.'

Template 3

Template: 'Diagnostic criteria met: total cholesterol 245 mg/dL, indicating hyperlipidemia.'

Template 4

Template: 'Treatment plan includes lifestyle modifications and statin therapy for abnormal cholesterol levels.'

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this code?

Documentation must include total cholesterol levels, date of testing, and any relevant symptoms.

When should this code be used vs similar codes?

Use E78.00 for unspecified hypercholesterolemia; use E78.01 for familial cases.

What are common billing issues with this code?

Claims may be denied if lab results are not documented; ensure all tests are recorded.

What procedures are commonly associated?

Commonly associated CPT codes include 80061 for lipid panel testing.

What is Abnormal Total Cholesterol?

Key Clinical Considerations:

Diagnosis requires elevated total cholesterol levels confirmed by laboratory tests.
Signs and symptoms may include fatigue, chest pain, or no symptoms at all.
Resolution criteria include achieving total cholesterol levels within the normal range through lifestyle changes or medication.
Laboratory findings supporting diagnosis include total cholesterol levels measured through a lipid panel.

Abnormal Total Cholesterol

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?

Abnormal Total Cholesterol

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?