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021W4AA

021W4AA — Bypass Thoracic Aorta, Descending to Innominate Artery with Autologous Arterial Tissue, Percutaneous Endoscopic Approach

Billable / specific codeICD-10-PCS

CMS abbreviated title: Bypass Thor Aorta Desc to Innom Art w Autol Art, Perc Endo

How 021W4AA is built

Every ICD-10-PCS code is seven independent character positions. Each one is a separate decision, and the meaning of a character depends on the positions before it.

  1. 0SectionMedical and Surgical — What family of procedure this is
  2. 2Body systemWhich system it acts on
  3. 1Root operationThe objective — the verb of the procedure
  4. WBody partThe specific site
  5. 4ApproachHow the site was reached
  6. ADeviceWhat was left in place, if anything
  7. AQualifierA further distinction where one applies

Codes near 021W4AA

In CMS’s own ordering, which groups codes that differ by only the last character or two — usually the approach, device or qualifier.

  • 021W48QBypass Thoracic Aorta, Descending to Right Pulmonary Artery with Zooplastic Tissue, Percutaneous Endoscopic Approach
  • 021W48RBypass Thoracic Aorta, Descending to Left Pulmonary Artery with Zooplastic Tissue, Percutaneous Endoscopic Approach
  • 021W49ABypass Thoracic Aorta, Descending to Innominate Artery with Autologous Venous Tissue, Percutaneous Endoscopic Approach
  • 021W49BBypass Thoracic Aorta, Descending to Subclavian with Autologous Venous Tissue, Percutaneous Endoscopic Approach
  • 021W49DBypass Thoracic Aorta, Descending to Carotid with Autologous Venous Tissue, Percutaneous Endoscopic Approach
  • 021W49PBypass Thoracic Aorta, Descending to Pulmonary Trunk with Autologous Venous Tissue, Percutaneous Endoscopic Approach
  • 021W49QBypass Thoracic Aorta, Descending to Right Pulmonary Artery with Autologous Venous Tissue, Percutaneous Endoscopic Approach
  • 021W49RBypass Thoracic Aorta, Descending to Left Pulmonary Artery with Autologous Venous Tissue, Percutaneous Endoscopic Approach
  • 021W4AABypass Thoracic Aorta, Descending to Innominate Artery with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
  • 021W4ABBypass Thoracic Aorta, Descending to Subclavian with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
  • 021W4ADBypass Thoracic Aorta, Descending to Carotid with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
  • 021W4APBypass Thoracic Aorta, Descending to Pulmonary Trunk with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
  • 021W4AQBypass Thoracic Aorta, Descending to Right Pulmonary Artery with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
  • 021W4ARBypass Thoracic Aorta, Descending to Left Pulmonary Artery with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
  • 021W4JABypass Thoracic Aorta, Descending to Innominate Artery with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 021W4JBBypass Thoracic Aorta, Descending to Subclavian with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 021W4JDBypass Thoracic Aorta, Descending to Carotid with Synthetic Substitute, Percutaneous Endoscopic Approach
ICD-10-PCSFY2026