ICD-10-PCS Procedure Code Table (2025)
Table Summary for 021
This page provides the details for ICD-10-PCS Table 021: Medical and Surgical - Heart and Great Vessels - Bypass. Use the interactive builder below, review all possible character options, or browse the complete list of valid 7-character codes to construct an inpatient procedure code for the 2025 coding year.
Build Procedure Code for Table 021:
Current Code: 021????
All Possible Options for Characters in Table 021:
Char 4: Character 4
- 0 - Coronary Artery, One Artery
- 1 - Coronary Artery, Two Arteries
- 2 - Coronary Artery, Three Arteries
- 3 - Coronary Artery, Four or More Arteries
- 6 - Atrium, Right
- 7 - Atrium, Left
- K - Ventricle, Right
- L - Ventricle, Left
- P - Pulmonary Trunk
- Q - Pulmonary Artery, Right
- R - Pulmonary Artery, Left
- V - Superior Vena Cava
- W - Thoracic Aorta, Descending
- X - Thoracic Aorta, Ascending/Arch
Char 5: Character 5
- 0 - Open
- 3 - Percutaneous
- 4 - Percutaneous Endoscopic
Char 6: Character 6
- 4 - Intraluminal Device, Drug-eluting
- 8 - Zooplastic Tissue
- 9 - Autologous Venous Tissue
- A - Autologous Arterial Tissue
- D - Intraluminal Device
- J - Synthetic Substitute
- K - Nonautologous Tissue Substitute
- Z - No Device
Char 7: Character 7
- 3 - Coronary Artery
- 4 - Coronary Vein
- 5 - Coronary Circulation
- 6 - Atrium, Right
- 7 - Atrium, Left
- 8 - Internal Mammary, Right
- 9 - Internal Mammary, Left
- A - Innominate Artery
- B - Subclavian
- C - Thoracic Artery
- D - Carotid
- F - Abdominal Artery
- G - Axillary Artery
- H - Brachial Artery
- P - Pulmonary Trunk
- Q - Pulmonary Artery, Right
- R - Pulmonary Artery, Left
- S - Pulmonary Vein, Right
- T - Pulmonary Vein, Left
- U - Pulmonary Vein, Confluence
- V - Lower Extremity Artery
- W - Aorta
Complete List of Valid 7-Character Codes for Table 021:
No valid code combinations found or detailed axis definitions are missing for this table.
Understanding ICD-10-PCS Table 021 (Bypass of Heart and Great Vessels)
The ICD-10-PCS (Procedure Coding System) is utilized in U.S. healthcare settings for reporting inpatient hospital procedures. Table 021 belongs to the Medical and Surgical section, specifically addressing procedures within the Heart and Great Vessels body system, and focuses on the root operation of Bypass.
A complete 7-character ICD-10-PCS code from this table is constructed as follows:
- Character 1 (Section): 0 - Medical and Surgical
- Character 2 (Body System): 2 - Heart and Great Vessels
- Character 3 (Root Operation): 1 - Bypass
- Character 4 (Character 4): Specifies the exact body part involved in the bypass.
- Character 5 (Character 5): Defines the technique (e.g., Open, Percutaneous) used to reach the procedure site.
- Character 6 (Character 6): Indicates if a device was used during the bypass and its type.
- Character 7 (Character 7): Provides additional specific information or clarifies the procedure.
Accurate assignment of each character based on the operative report and the detailed definitions within the ICD-10-PCS system is essential for correct coding. This page lists all valid options and combinations for table 021 according to the 2025 ICD-10-PCS guidelines.