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ICD-10-CM Code R94.31
Abnormal electrocardiogram [ECG] [EKG]

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

R94.31 is a billable ICD code used to specify a diagnosis of abnormal electrocardiogram [ECG] [EKG]. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code R943 is used to code Short QT syndrome

Short QT syndrome is a genetic disease of the electrical system of the heart. It consists of a constellation of signs and symptoms, consisting of a short QT interval on an EKG (≤ 300 ms) that does not significantly change with heart rate, tall and peaked T waves, and a structurally normal heart. Short QT syndrome appears to be inherited in an autosomal dominant pattern, and a few affected families have been identified.

Schematic representation of normal ECG trace (sinus rhythm), with waves, segments, and intervals labeled.

Source: Wikipedia

Coding Notes for R94.31 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Long QT syndrome - instead, use code I45.81

MS-DRG Mapping

  • DRG Group #314-316 - Other circulatory system diagnoses with MCC.
  • DRG Group #314-316 - Other circulatory system diagnoses with CC.
  • DRG Group #314-316 - Other circulatory system diagnoses without CC or MCC.

Related Concepts SNOMET-CT

  • Hypertrophy of left cardiac atrium, determined by electrocardiogram (finding)

ICD-10-CM Alphabetical Index References for 'R94.31 - Abnormal electrocardiogram [ECG] [EKG]'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R94.31. Click on any term below to browse the alphabetical index.


Nonspecific abnormal electrocardiogram [ECG] [EKG] (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 794.31 was previously used, R94.31 is the appropriate modern ICD10 code.

Parent Code: R94.3 - Abnormal results of cardiovascular function studies

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R9431