ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
DiagnosesAspirin

Aspirin

ICD-10 Coding for Aspirin Use and Allergy(Z88.6, Z92.21, T45.2X5A)

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

Diagnosis Overview

What is Aspirin?
Essential facts and insights about Aspirin Use and Allergy

Key Clinical Considerations:

  • Patients may present with symptoms such as chest pain, shortness of breath, or palpitations indicating cardiovascular issues.
  • Laboratory findings may include elevated troponin levels or abnormal ECG results indicating myocardial infarction.
  • Physical examination may reveal signs of heart failure, such as edema or abnormal lung sounds.
  • Imaging findings may include evidence of coronary artery disease on angiography or echocardiogram abnormalities.
  • Severity criteria may include the classification of heart failure (NYHA class) or the presence of acute coronary syndrome.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Medical records must document the patient's history of aspirin use, including dosage and duration.
  • Specific terminology such as 'aspirin allergy' or 'aspirin intolerance' must be clearly stated.
  • Examples include noting the patient's response to aspirin and any adverse reactions experienced.
  • Documentation must establish medical necessity for aspirin therapy, particularly in cardiovascular disease management.
  • Quality measures may require documentation of aspirin use in eligible patients with coronary artery disease.

Coding Guidelines

Usage Guidelines & Examples

  • Use Z88.6 for patients with a documented allergy to aspirin, particularly when it affects treatment decisions.
  • Do not use this code for patients who have tolerated aspirin without adverse effects.
  • T45.2X5A may be used for adverse effects of aspirin, while Z92.21 indicates a personal history of aspirin use.
  • Common errors include misclassifying aspirin intolerance as an allergy; ensure clear documentation of the patient's history.
  • In complex cases, consider the patient's overall medication history and any potential interactions.

Code Exclusions

Important Exclusions

  • Excludes patients with documented intolerance rather than an allergy to aspirin.
  • Alternative codes for excluded conditions may include T45.2 for adverse effects without allergy.
  • Conditions are excluded to prevent misrepresentation of the patient's medical history.
  • Common mistakes include coding aspirin intolerance as an allergy; ensure clarity in documentation.
  • Related but distinct conditions include hypersensitivity reactions to other NSAIDs.

Related ICD-10 Codes

Primary Codes
Z88.6
Allergy to aspirin
Z92.21
Personal history of aspirin use
Differential Codes
Z88.8
Z88.8
for allergies to drugs not classified as NSAIDs.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Cardiology

Specialty Applications

  • Applies to patients with cardiovascular conditions requiring antiplatelet therapy.
  • Patient populations include adults with a history of myocardial infarction or stroke.
  • Clinical settings include outpatient cardiology clinics and inpatient cardiac care units.
  • Specialty-specific applications are relevant in cardiology and primary care settings.
  • Treatment contexts include secondary prevention of cardiovascular events.

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: 'Patient diagnosed with aspirin allergy based on reported symptoms of [specific symptoms].'

Template 2

Template: 'Clinical presentation consistent with aspirin intolerance including [symptoms].'

Template 3

Template: 'Diagnostic criteria for aspirin allergy met as evidenced by [specific findings].'

Template 4

Template: 'Treatment plan initiated for cardiovascular disease with consideration of aspirin allergy.'

Template 5

Template: 'Follow-up care for aspirin allergy including monitoring for alternative antiplatelet therapies.'

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 diagnosis?

Documentation must include the patient's allergy history, symptoms experienced, and any treatment modifications.

How does this differ from similar diagnoses?

Aspirin allergy is distinct from intolerance; the former may cause anaphylaxis, while the latter may cause gastrointestinal upset.

What are common billing considerations?

Ensure that the medical necessity for aspirin therapy is well-documented to optimize reimbursement.

What procedures are typically associated?

CPT codes for related procedures may include cardiac catheterization or echocardiography.

Are there any quality reporting implications?

Quality measures may include the percentage of patients on aspirin therapy who have documented allergies.