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Home/Diagnosis/ICD-10 Coding for Angina at Rest

ICD-10 Coding for Angina at Rest

I20.0
I25.110

Complete ICD-10-CM coding and documentation guide for icd-10 coding for angina at rest includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Unstable Angina
Rest Angina
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Key Information: ICD-10 Coding for Angina at Rest

Essential facts and insights about ICD-10 Coding for Angina at Rest

Use ICD-10 code I20.0 for unstable angina, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Unstable Angina

Billable Code
I20.0
Billable

Diagnostic Criteria

clinical:
  • • Patient experiences chest pain at rest with EKG changes.
documentation:
  • • Provider notes 'unstable angina' or 'angina at rest'.

Applicable To

  • • Angina at rest
  • • New-onset angina

Important Notes

  • • Ensure documentation specifies 'unstable angina' or 'angina at rest' to avoid defaulting to I20.9.

Atherosclerotic heart disease of native coronary artery with unstable angina pectoris

Billable Code
I25.110
Billable

Diagnostic Criteria

clinical:
  • • Documented CAD with episodes of angina at rest

Applicable To

  • • CAD with unstable angina

Important Notes

  • • Ensure CAD is documented to use this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.84

Long-term (current) use of antianginal drugs

Use when the patient is on medications like Imdur for angina management.

Frequently Asked Questions

What is the ICD-10 code for angina at rest?

The ICD-10 code for angina at rest is I20.0, classified as unstable angina. If CAD is present, use I25.110.

How do you document angina at rest?

Document angina at rest by specifying episodes of chest pain at rest, EKG findings, and response to nitroglycerin.

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