ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 06H6 includes procedures performed to insert nonbiological appliances that monitor, assist, perform, or prevent physiological functions in the inferior mesenteric vein. These ICD-10-PCS codes are used for inpatient documentation when a device is placed into the inferior mesenteric vein to provide monitoring or support of venous function or hemodynamics. Accurate coding within the ICD-10-PCS 06H6 group is essential for proper inpatient reimbursement, as it captures the specific procedure performed and determines appropriate case mix and payment.

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Inferior Mesenteric Vein Insertion Procedure Overview

Procedures in this ICD-10-PCS code group involve the insertion of nonbiological appliances into the inferior mesenteric vein, part of the lower veins body system, to monitor, assist, perform, or prevent a physiological function. These procedures target the venous drainage of the distal colon and rectum and may include placement of devices such as intravascular monitoring lines or flow-assist appliances. Accurate coding of these insertion procedures is important for inpatient reimbursement because it documents the specific invasive vascular intervention performed and supports appropriate case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
6	Body System	Lower Veins
H	Operation	Insertion
6	Body Part	Inferior Mesenteric Vein

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ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview

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Inferior Mesenteric Vein Insertion Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
6	Body System	Lower Veins
H	Operation	Insertion
6	Body Part	Inferior Mesenteric Vein

When to Use

Use a code from this group when a nonbiological device is placed into the inferior mesenteric vein during an inpatient encounter for monitoring or vascular support. Codes apply when the procedure involves invasive placement into the inferior mesenteric vein rather than external or noninvasive management.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
06H603Z	Insertion of Infusion Device into Inferior Mesenteric Vein, Open Approach
06H60DZ	Insertion of Intraluminal Device into Inferior Mesenteric Vein, Open Approach
06H633Z	Insertion of Infusion Device into Inferior Mesenteric Vein, Percutaneous Approach
06H63DZ	Insertion of Intraluminal Device into Inferior Mesenteric Vein, Percutaneous Approach
06H643Z	Insertion of Infusion Device into Inferior Mesenteric Vein, Percutaneous Endoscopic Approach
06H64DZ	Insertion of Intraluminal Device into Inferior Mesenteric Vein, Percutaneous Endoscopic Approach

DRG Codes

18 rows

DRG Code	Description
252	Other Vascular Procedures with MCC
253	Other Vascular Procedures with CC
254	Other Vascular Procedures without CC/MCC
356	Other Digestive System O.R. Procedures with MCC
357	Other Digestive System O.R. Procedures with CC
358	Other Digestive System O.R. Procedures without CC/MCC
820	Lymphoma and Leukemia with Major O.R. Procedures with MCC
821	Lymphoma and Leukemia with Major O.R. Procedures with CC
822	Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC
826	Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC

Showing 1–10 of 18

Typical Clinical Scenarios

An adult patient with acute ischemic colitis secondary to portal and mesenteric venous hypertension is admitted with progressive abdominal pain and bloody diarrhea; hemodynamic monitoring of inferior mesenteric venous flow is required during stabilization and therapy to guide anticoagulation and potential thrombolysis, so an intravascular monitoring or infusion device is placed into the inferior mesenteric vein via a percutaneous approach for continuous pressure and drug delivery. Typical codes: 06H633Z, 06H63DZ
An elective inpatient scheduled for complex colorectal surgery with high risk of postoperative venous congestion undergoes preoperative placement of a flow-assist or infusion catheter into the inferior mesenteric vein to provide perioperative monitoring and targeted vasoactive infusion to optimize venous drainage. Typical codes: 06H643Z, 06H64DZ
A patient with a previously placed inferior mesenteric venous monitoring catheter presents with catheter malfunction and signs of inadequate venous infusion; during the same admission the device is removed and a new nonbiological intraluminal appliance is inserted into the inferior mesenteric vein via an open approach for reliable access and continued monitoring. Typical codes: 06H60DZ, 06H603Z

ICD-10-PCS Code For Inferior Vena Cava: Procedure Code Group Overview

06H1-SPLENIC-VEIN-INSERTION

ICD-10-PCS Code For Splenic Vein: Procedure Code Group Overview

06H2-GASTRIC-VEIN-INSERTION

ICD-10-PCS Code For Gastric Vein: Procedure Code Group Overview

06H3-ESOPHAGEAL-VEIN-INSERTION

ICD-10-PCS Code For Esophageal Vein: Procedure Code Group Overview

06H4-HEPATIC-VEIN-INSERTION

ICD-10-PCS Code For Hepatic Vein: Procedure Code Group Overview

06H5-SUPERIOR-MESENTERIC-VEIN-INSERTION

ICD-10-PCS Code For Superior Mesenteric Vein: Procedure Code Group Overview

06H7-COLIC-VEIN-INSERTION

ICD-10-PCS Code For Colic Vein: Procedure Code Group Overview

06H8-PORTAL-VEIN-INSERTION

ICD-10-PCS Code For Portal Vein: Procedure Code Group Overview

06H9-RENAL-VEIN-RIGHT-INSERTION

ICD-10-PCS Code For Renal Vein, Right: Procedure Code Group Overview

06HB-LEFT-RENAL-VEIN-INSERTION

ICD-10-PCS Code For Left Renal Vein: Procedure Code Group Overview

Showing 1–10 of 23

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
06H603Z	Insertion of Infusion Device into Inferior Mesenteric Vein, Open Approach
06H60DZ	Insertion of Intraluminal Device into Inferior Mesenteric Vein, Open Approach
06H633Z	Insertion of Infusion Device into Inferior Mesenteric Vein, Percutaneous Approach
06H63DZ	Insertion of Intraluminal Device into Inferior Mesenteric Vein, Percutaneous Approach
06H643Z	Insertion of Infusion Device into Inferior Mesenteric Vein, Percutaneous Endoscopic Approach
06H64DZ	Insertion of Intraluminal Device into Inferior Mesenteric Vein, Percutaneous Endoscopic Approach

DRG Codes

18 rows

DRG Code	Description
252	Other Vascular Procedures with MCC
253	Other Vascular Procedures with CC
254	Other Vascular Procedures without CC/MCC
356	Other Digestive System O.R. Procedures with MCC
357	Other Digestive System O.R. Procedures with CC
358	Other Digestive System O.R. Procedures without CC/MCC
820	Lymphoma and Leukemia with Major O.R. Procedures with MCC
821	Lymphoma and Leukemia with Major O.R. Procedures with CC
822	Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC
826	Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC

Showing 1–10 of 18

Typical Clinical Scenarios

An adult patient with acute ischemic colitis secondary to portal and mesenteric venous hypertension is admitted with progressive abdominal pain and bloody diarrhea; hemodynamic monitoring of inferior mesenteric venous flow is required during stabilization and therapy to guide anticoagulation and potential thrombolysis, so an intravascular monitoring or infusion device is placed into the inferior mesenteric vein via a percutaneous approach for continuous pressure and drug delivery. Typical codes: 06H633Z, 06H63DZ
An elective inpatient scheduled for complex colorectal surgery with high risk of postoperative venous congestion undergoes preoperative placement of a flow-assist or infusion catheter into the inferior mesenteric vein to provide perioperative monitoring and targeted vasoactive infusion to optimize venous drainage. Typical codes: 06H643Z, 06H64DZ
A patient with a previously placed inferior mesenteric venous monitoring catheter presents with catheter malfunction and signs of inadequate venous infusion; during the same admission the device is removed and a new nonbiological intraluminal appliance is inserted into the inferior mesenteric vein via an open approach for reliable access and continued monitoring. Typical codes: 06H60DZ, 06H603Z

ICD-10-PCS Code For Inferior Vena Cava: Procedure Code Group Overview

06H1-SPLENIC-VEIN-INSERTION

ICD-10-PCS Code For Splenic Vein: Procedure Code Group Overview

06H2-GASTRIC-VEIN-INSERTION

ICD-10-PCS Code For Gastric Vein: Procedure Code Group Overview

06H3-ESOPHAGEAL-VEIN-INSERTION

ICD-10-PCS Code For Esophageal Vein: Procedure Code Group Overview

06H4-HEPATIC-VEIN-INSERTION

ICD-10-PCS Code For Hepatic Vein: Procedure Code Group Overview

06H5-SUPERIOR-MESENTERIC-VEIN-INSERTION

ICD-10-PCS Code For Superior Mesenteric Vein: Procedure Code Group Overview

06H7-COLIC-VEIN-INSERTION

ICD-10-PCS Code For Colic Vein: Procedure Code Group Overview

06H8-PORTAL-VEIN-INSERTION

ICD-10-PCS Code For Portal Vein: Procedure Code Group Overview

06H9-RENAL-VEIN-RIGHT-INSERTION

ICD-10-PCS Code For Renal Vein, Right: Procedure Code Group Overview

06HB-LEFT-RENAL-VEIN-INSERTION

ICD-10-PCS Code For Left Renal Vein: Procedure Code Group Overview

Showing 1–10 of 23

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

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Inferior Mesenteric Vein Insertion Procedure Overview

Code Attributes

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ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview

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Inferior Mesenteric Vein Insertion Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview policy alerts

Inferior Mesenteric Vein Insertion Procedure Overview

Code Attributes

ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Inferior Mesenteric Vein: Procedure Code Group Overview policy alerts

Inferior Mesenteric Vein Insertion Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers insertion procedures into the inferior mesenteric vein?

What types of devices are represented by codes in the 06H6 group?

How are individual ICD-10-PCS codes in this group formatted in documentation?

Why is accurate coding within the 06H6 group important for inpatient care?

Which DRG categories may be assigned when procedures from the 06H6 group are coded?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers insertion procedures into the inferior mesenteric vein?

What types of devices are represented by codes in the 06H6 group?

How are individual ICD-10-PCS codes in this group formatted in documentation?

Why is accurate coding within the 06H6 group important for inpatient care?

Which DRG categories may be assigned when procedures from the 06H6 group are coded?

References