Abnormalities of heart beat - R00
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- abnormalities originating in the perinatal period (P29.1-)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- specified arrhythmias (I47-I49)
These ranges represents subcategories of Abnormalities of heart beat. The "R00" signifies that these are the diseases within this broad category.