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v1.0.0
ICD-10 Guide
DiagnosesHigh Serum Digoxin Level

High Serum Digoxin Level

ICD-10 Coding for High Serum Digoxin Level(T46.0X, R79.89)

PRIMARY SPECIALTYEmergency Medicine
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is High Serum Digoxin Level?
Essential facts and insights about High Serum Digoxin Level

Key Clinical Considerations:

  • Nausea, vomiting, diarrhea, confusion, visual disturbances
  • Serum digoxin level >2 ng/mL, ECG changes (e.g., atrial tachycardia, AV block)
  • Bradycardia, irregular pulse, altered mental status

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of digoxin use, presenting symptoms, lab results
  • ICD-10-CM coding terminology for digoxin toxicity
  • Example: 'Patient presents with symptoms consistent with digoxin toxicity and elevated serum digoxin levels.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for distinguishing between accidental and intentional poisoning.
  • Common errors include misclassifying the encounter type or omitting lab results.

Code Exclusions

Important Exclusions

  • Other causes of elevated digoxin levels (e.g., renal failure)
  • Alternative codes for other types of poisoning or adverse effects

Related ICD-10 Codes

Primary Codes
T46.0X1A
Poisoning by digoxin, accidental (unintentional), initial encounter
T46.0X2A
Poisoning by digoxin, intentional self-harm, initial encounter
T46.0X3A
Poisoning by digoxin, assault, initial encounter
Ancillary Codes
E87.5
I49.9
Differential Codes
T88.7

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

  • Patients with heart failure, atrial fibrillation, or those on digoxin therapy
  • Emergency departments, urgent care centers, and inpatient settings

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

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

Documentation requirements?

Document the patient's history, symptoms, lab results, and treatment provided.

Billing considerations?

Ensure accurate coding of the encounter type (initial, subsequent) and any related services.