I20.81
BillableAngina pectoris with coronary microvascular dysfunction
Angina pectoris with coronary microvascular dysfunction
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Angina pectoris with coronary microvascular disease
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- the presence of hypertension (I10-I1A)
Also Known As / Clinical Terms
SNOMED CT
- Cardiac syndrome X233845001
- Chest pain with normal coronary angiography233845001
- Coronary microvascular disease233845001
- Coronary small artery disease233845001
- Endothelial dysfunction233845001
- Microvascular angina233845001
- Coronary microvascular dysfunction697976003
- Microvascular ischaemia of myocardium697976003
- Microvascular ischemia of myocardium697976003
- Angina pectoris due to coronary microvascular dysfunction180541341000119102
- Angina pectoris due to microvascular ischaemia of myocardium180541341000119102
- Angina pectoris due to microvascular ischemia of myocardium180541341000119102
Frequently Asked Questions
What is the ICD-10 code for angina pectoris with coronary microvascular dysfunction?
The ICD-10-CM code for angina pectoris with coronary microvascular dysfunction is I20.81. The full clinical description is "Angina pectoris with coronary microvascular dysfunction". I20.81 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I20.81 mean?
ICD-10-CM code I20.81 represents "Angina pectoris with coronary microvascular dysfunction". It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I20.81 a billable code?
Yes, I20.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I20.81 in?
I20.81 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I20.81?
I20.81 has Excludes1 notes indicating codes that cannot be used together with it, including: angina pectoris with atherosclerotic heart disease of native coronary arteries (I25.1-); atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7-); postinfarction angina (I23.7).
Are additional codes required with I20.81?
Yes, when using I20.81 you should also code: code to identify:; exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0); code(s) for symptoms associated with angina equivalent.
What SNOMED CT codes does I20.81 map to?
I20.81 maps to 3 SNOMED CT concepts: 180541341000119102, 233845001, 697976003. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I20.81?
I20.81 is linked to 2 UMLS Concept Unique Identifiers: C5819576, C5819181. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.