ICD-9-CM procedure code (retired)
89.57 — Apexcardiogram (with ECG lead)
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 89.57
89.57 is an ICD-9-CM procedure code for Apexcardiogram (with ECG lead). ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to 2 ICD-10-PCS codes, such as 4A02X4Z (Measurement of Cardiac Electrical Activity, External Approach) and 4A12X4Z (Monitoring of Cardiac Electrical Activity, External Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 89.57
What is the ICD-10 code for ICD-9 89.57?
- The GEMs map 89.57 to ICD-10-PCS 4A02X4Z and 4A12X4Z.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.