MC81.Z
Abnormalities of heart beat, unspecified
Abnormalities of heart beat, unspecified
ICD-10 Equivalents(3)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(15)
SNOMED CT ↗
- Prolonged QRS complex991002
- Heart rate fast3424008
- Irregular tachycardia82838007
- Abnormal pulse rate111972009
- Cardiac pacemaker re-entrant tachycardia234225006
- Finding of pulse rate301147003
- Finding of electrocardiogram QRS complex365415001
- Borderline fast pulse827166005
- Pacemaker mediated tachycardia1208832006
- Persistent tachycardia during pregnancy102882451000119106
Frequently Asked Questions
What is the ICD-11 code for abnormalities of heart beat, unspecified?
The ICD-11 code for abnormalities of heart beat, unspecified is MC81.Z. The full clinical description is "Abnormalities of heart beat, unspecified".
What does ICD-11 code MC81.Z mean?
ICD-11 code MC81.Z represents “Abnormalities of heart beat, unspecified”. It is classified under Chapter 21: Symptoms, Signs or Clinical Findings, Not Elsewhere Classified.
What chapter is MC81.Z in?
MC81.Z is in Chapter 21: Symptoms, Signs or Clinical Findings, Not Elsewhere Classified (codes MA00-MH2Z).
What is the ICD-10 equivalent of ICD-11 code MC81.Z?
MC81.Z maps to 3 ICD-10 codes: R00 (Abnormalities of heart beat), R00.0 (Tachycardia, unspecified), R00.8 (Other abnormalities of heart beat). ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What SNOMED CT codes does MC81.Z map to?
MC81.Z maps to 10 SNOMED CT concepts: 111972009, 827166005, 234225006, 365415001, 301147003, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code MC81.Z?
MC81.Z is linked to 5 UMLS Concept Unique Identifiers: C1744601, C0039231, C0340468, C2910380, C2910382. 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.