Skip to main content
Inpatient Procedure Code

021X09D

Bypass Thoracic Aorta, Ascending/Arch to Carotid with Autologous Venous Tissue, Open Approach

Bypass Thor Aorta Asc to Carotid w Autol Vn, Open

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body System2

Heart and Great Vessels

3
Root Operation1

Bypass

Altering the route of passage of the contents of a tubular body part

4
Body PartX

Thoracic Aorta, Ascending/Arch

5
Approach0

Open

6
Device9

Autologous Venous Tissue

7
QualifierD

Carotid

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 12 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Contextual Map

Every relationship of 021X09D in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

  • 021[PCS table]
  • [object Object] — Section: [object Object] [Section]: “[object Object]”
  • [object Object] — Body System: [object Object] [Body System]: “[object Object]”
  • [object Object] — Operation: [object Object] [Operation]: “[object Object]”

MS-DRG participation (12)

  • DRG 037 — EXTRACRANIAL PROCEDURES WITH MCC [MS-DRG]: “EXTRACRANIAL PROCEDURES WITH MCC — Extracranial Procedures (MDC 01)”
  • DRG 038 — EXTRACRANIAL PROCEDURES WITH CC [MS-DRG]: “EXTRACRANIAL PROCEDURES WITH CC — Extracranial Procedures (MDC 01)”
  • DRG 039 — EXTRACRANIAL PROCEDURES WITHOUT CC/MCC [MS-DRG]: “EXTRACRANIAL PROCEDURES WITHOUT CC/MCC — Extracranial Procedures (MDC 01)”
  • DRG 270 — OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH MCC [MS-DRG]: “OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH MCC — Other Major Cardiovascular Procedures (MDC 05)”
  • DRG 271 — OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH CC [MS-DRG]: “OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH CC — Other Major Cardiovascular Procedures (MDC 05)”
  • DRG 272 — OTHER MAJOR CARDIOVASCULAR PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER MAJOR CARDIOVASCULAR PROCEDURES WITHOUT CC/MCC — Other Major Cardiovascular Procedures (MDC 05)”
  • DRG 907 — OTHER O.R. PROCEDURES FOR INJURIES WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH MCC — Other O.R. Procedures for Injuries (MDC 21)”
  • DRG 908 — OTHER O.R. PROCEDURES FOR INJURIES WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH CC — Other O.R. Procedures for Injuries (MDC 21)”
  • and 4 more

MDC crossing · diagnoses (10874)

  • MDC 01 — Diseases and Disorders of the Nervous System [MDC crossing]: “Diseases and Disorders of the Nervous System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • MDC 05 — Diseases and Disorders of the Circulatory System [MDC crossing]: “Diseases and Disorders of the Circulatory System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • A02.21 — Salmonella meningitis [Same-MDC diagnosis]: “Salmonella meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.” · check together
  • A06.6 — Amebic brain abscess [Same-MDC diagnosis]: “Amebic brain abscess — grouped in MDC 01, the diagnosis side of this code's crossing.” · check together
  • A17.0 — Tuberculous meningitis [Same-MDC diagnosis]: “Tuberculous meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.” · check together
  • A17.1 — Meningeal tuberculoma [Same-MDC diagnosis]: “Meningeal tuberculoma — grouped in MDC 01, the diagnosis side of this code's crossing.” · check together
  • A17.81 — Tuberculoma of brain and spinal cord [Same-MDC diagnosis]: “Tuberculoma of brain and spinal cord — grouped in MDC 01, the diagnosis side of this code's crossing.” · check together
  • and 10869 more

Nearest codes

  • 021P09D — Bypass Pulmonary Trunk from Carotid with Autologous Venous Tissue, Open Approach [One axis away]
  • 021Q09D — Bypass Right Pulmonary Artery from Carotid with Autologous Venous Tissue, Open Approach [One axis away]
  • 021R09D — Bypass Left Pulmonary Artery from Carotid with Autologous Venous Tissue, Open Approach [One axis away]
  • 021W09D — Bypass Thoracic Aorta, Descending to Carotid with Autologous Venous Tissue, Open Approach [One axis away]
  • 021X08D — Bypass Thoracic Aorta, Ascending/Arch to Carotid with Zooplastic Tissue, Open Approach [One axis away]
  • 021X09A — Bypass Thoracic Aorta, Ascending/Arch to Innominate Artery with Autologous Venous Tissue, Open Approach [One axis away]
  • 021X09B — Bypass Thoracic Aorta, Ascending/Arch to Subclavian with Autologous Venous Tissue, Open Approach [One axis away]
  • 021X09P — Bypass Thoracic Aorta, Ascending/Arch to Pulmonary Trunk with Autologous Venous Tissue, Open Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.