37.21 - Right Heart Cardiac Catheterization

The ICD 9 Code for Right heart cardiac catheterization is listed as 37.21.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS and chapter information where available.

ICD 9 CM Volume 3 (PCS) Field	Value
Procedure Code:	37.21
Description:	Right heart cardiac catheterization
Short Description:	Rt heart cardiac cath

Chapter:	Operations on the cardiovascular system
Subsection 1:	Other operations on heart and pericardium
ICD-10-PCS General Equivalence Mappings (GEMS):
ICD 10 PCS Code:	4A020N6 - Measurement of Cardiac Sampling and Pressure, Right Heart, Open Approach (approximate)
ICD 10 PCS Code:	4A023N6 - Measurement of Cardiac Sampling and Pressure, Right Heart, Percutaneous Approach (approximate)
ICD-9-CM Volume 3 (PCS) Siblings (same level / similar specificity) of 37.21:
37.20 - Noninvasive programmed electrical stimulation [NIPS]
37.22 - Left heart cardiac catheterization
37.23 - Combined right and left heart cardiac catheterization
37.24 - Biopsy of pericardium
37.25 - Biopsy of heart
37.26 - Catheter based invasive electrophysiologic testing
37.27 - Cardiac mapping
37.28 - Intracardiac echocardiography
37.29 - Other diagnostic procedures on heart and pericardium