Classification of Angina

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This page is about the pre-ICD10 diagnosis coding schema. See the ICD10 Diagnosis List, or the following for similar diagnoses in ICD10:

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Category/Organ System:	Category: Cardiovascular (old)
Type:	Medical Problem
Main Diagnosis:	Post Infarct Angina
Sub Diagnosis:	Post Infarct Angina
Diagnosis Code:	15500
Comorbid Diagnosis:	??? Critical Care and Medicine
Charlson Comorbid coding (pre ICD10):	Currently Collected
Program:
Status:

Classification of Angina according to the Canadian Cardiovascular Society.

• we don't collect these detail in our database. The article was only used as a reference for those that needed to know how angina was classified. Chronic Health APACHE, uses class 4 angina.--TOstryzniuk 19:50, 28 October 2010 (CDT)

Chronic Stable Angina

Legacy Content

This page is about the pre-ICD10 diagnosis coding schema. See the ICD10 Diagnosis List, or the following for similar diagnoses in ICD10:

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Category/Organ System:	Category: Cardiovascular (old)
Type:	Medical Problem
Main Diagnosis:	Chronic Stable Angina
Sub Diagnosis:	Chronic Stable Angina
Diagnosis Code:
Comorbid Diagnosis:	15800
Charlson Comorbid coding (pre ICD10):	Critical Care and Medicine
Program:
Status:

This is a comorbid code only. We only code whether it is present, the class descriptions below are for reference only.

Class 1

No limitation: Ordinary physical activity does not cause angina such as walking or climbing stairs. Angina with strenuous or rapid or prolonged exertion at work or recreation

Class 2

Slight limitation of ordinary activity. Walking or climbing stairs rapidly, walking uphill, climbing stairs or after meals or in cold weather, wind, under emotional stress or pain during the first hrs. after waking up. Walking more than 2 blocks on the level or climbing more than one flight of stairs at a normal pace in normal conditions.

Class 3

Marked limitation or ordinary activity. Walking one to two blocks on the level and climbing one flight of stairs in normal conditions and at a normal pace.

Class 4

Inability to carry on any physical activity without discomfort. Symptoms of angina are present even at rest.

Unstable Angina

Legacy Content

This page is about the pre-ICD10 diagnosis coding schema. See the ICD10 Diagnosis List, or the following for similar diagnoses in ICD10:

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Category/Organ System:	Category: Cardiovascular (old)
Type:	Medical Problem
Main Diagnosis:	UNSTABLE ANGINA
Sub Diagnosis:	Unstable Angina
Diagnosis Code:	15100
Comorbid Diagnosis:	Critical Care and Medicine
Charlson Comorbid coding (pre ICD10):	Currently Collected
Program:
Status:

We only code whether it is present, the class descriptions below are for reference only.

Class I

New onset, severe or accelerated angina. Subjects with angina of less than 2 months duration. Severe or occurring three or more times per day. Angina that is distinctly more frequent and precipitated by distinctly less exertion. No rest pain in the last 2 months.

Class II

Angina at rest, subacute. Subjects with one or more episode of angina at rest during the preceding month but not within the preceding 48 hrs.

Class III

Angina at rest, acute. Subjects with one or more episodes of angina at rest within the preceding 48 hrs.