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I20.8
ICD-10-CM
Typical Angina

Find information on Typical Angina diagnosis, including clinical documentation tips, ICD-10 codes (I20.9, I20.8, I20.0), medical coding guidelines, and healthcare resources for stable angina. Learn about symptoms, treatment, and differential diagnosis considerations for effective patient care and accurate medical recordkeeping. This resource offers guidance on angina pectoris, chest pain, coronary artery disease, and myocardial ischemia for healthcare professionals and coding specialists.

Also known as

Stable Angina
Exertional Angina

Diagnosis Snapshot

Key Facts
  • Definition : Chest pain or discomfort due to reduced blood flow to the heart muscle, usually triggered by exertion.
  • Clinical Signs : Squeezing, tightness, pressure, or heaviness in the chest, often radiating to the left arm, jaw, or back.
  • Common Settings : Triggered by physical activity, emotional stress, or cold weather. Relieved by rest or nitroglycerin.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC I20.8 Coding
I20.0-I20.9

Angina pectoris

Chest pain due to reduced blood flow to the heart.

I25.1

Atherosclerotic heart disease

Hardening and narrowing of the heart arteries.

I21.0-I21.9

Acute myocardial infarction

Heart attack due to blocked blood flow to the heart muscle.

Code Comparison

Related Codes Comparison

When to use each related code

Description
Typical angina
Atypical angina
Nonanginal chest pain

Documentation Best Practices

Documentation Checklist
  • Document symptom onset, duration, and frequency.
  • Characterize angina pain (e.g., pressure, tightness, burning).
  • Note location and radiation of angina pain.
  • Document provoking and relieving factors (e.g., exertion, rest, nitroglycerin).
  • Include ECG findings and cardiac enzyme levels.

Coding and Audit Risks

Common Risks
  • Unspecified Angina

    Coding I20.9 (Angina pectoris, unspecified) without sufficient documentation specifying typical angina can lead to underpayment and claim denials. CDI can clarify.

  • Stable vs. Unstable

    Miscoding stable angina (I20.8) as unstable angina (I20.0) impacts severity and reimbursement. Accurate documentation is crucial for compliant coding.

  • Comorbidity Coding

    Failing to capture all relevant comorbidities, like hypertension or diabetes, with angina impacts risk adjustment and accurate reimbursement. CDI review is important.

Mitigation Tips

Best Practices
  • Document angina type: stable, unstable, variant (Prinzmetal's). ICD-10 I20
  • Precise pain descriptors: location, radiation, character, severity. SNOMED CT
  • Risk factor documentation: smoking, HTN, DM, hyperlipidemia. HCC coding
  • Triggers, duration, relieving factors are key for accurate diagnosis. CDI
  • Correlate ECG, cardiac enzymes, stress test findings. Medical necessity

Clinical Decision Support

Checklist
  • Retrosternal chest pain reproducible with exertion I20.9
  • Pain relieved by rest or nitroglycerin I20.8
  • Symptoms characteristic of angina pectoris I20.0
  • Document ECG findings consistent with ischemia I20.82

Reimbursement and Quality Metrics

Impact Summary
  • Typical Angina Reimbursement: Optimize ICD-10 I20.9 coding for maximum payment. Proper documentation impacts Case Mix Index (CMI).
  • Coding Accuracy: Precise I20.9 coding ensures correct MS-DRG assignment, minimizing claim denials and audits.
  • Hospital Reporting: Accurate Angina diagnosis data crucial for quality metrics like readmission rates and resource utilization.
  • Quality Metrics Impact: I20.9 coding accuracy reflects appropriate treatment and cost efficiency for Typical Angina patients.

Streamline Your Medical Coding

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Quick Tips

Practical Coding Tips
  • Code I20.9 for unspecified angina
  • Document angina symptoms clearly
  • Confirm diagnosis with physician
  • Check for history of CAD
  • Exclude unstable angina (I20.0)

Documentation Templates

Patient presents with complaints consistent with typical angina.  The patient reports episodic chest pain, characterized as a pressure, tightness, or squeezing sensation, precipitated by exertion or emotional stress.  The pain is retrosternal and may radiate to the left arm, jaw, or back.  Symptom duration is typically less than 15 minutes and is relieved by rest or nitroglycerin administration.  The patient denies associated symptoms such as nausea, vomiting, diaphoresis, or shortness of breath.  Cardiac risk factors include hyperlipidemia and a family history of coronary artery disease.  Physical examination reveals normal heart sounds, regular rhythm, and no murmurs, rubs, or gallops.  Lungs are clear to auscultation.  Electrocardiogram (ECG) at rest is normal.  Based on the characteristic symptoms, risk factors, and absence of other concerning findings, the diagnosis of stable angina pectoris is established.  Differential diagnoses considered include esophageal spasm, pericarditis, and musculoskeletal chest pain.  Treatment plan includes lifestyle modifications such as smoking cessation, dietary changes, and regular exercise.  Pharmacological management will be initiated with a beta-blocker and nitroglycerin as needed for angina episodes.  The patient is educated on the importance of medication adherence, symptom monitoring, and follow-up care.  Referral to cardiology for further evaluation, including stress testing, is recommended to assess the severity of coronary artery disease and guide further management.  ICD-10 code I20.9 Angina pectoris, unspecified is assigned.