ICD-10-PCS Code For Ascending Colon: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0DMK includes procedures performed to reattach a separated body part in the ascending colon within the gastrointestinal system. These ICD-10-PCS codes are used for inpatient documentation when surgical reattachment of all or a portion of the ascending colon is performed to restore anatomical continuity or location. Accurate coding within the ICD-10-PCS 0DMK group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Ascending Colon Reattachment Procedure Overview

Procedures in this group involve surgically reattaching all or a portion of the ascending colon to restore continuity or normal anatomical position within the gastrointestinal system. These reattachment procedures target the gastrointestinal system and specifically the ascending colon, often following traumatic detachment or surgical separation. Accurate ICD-10-PCS coding for these procedures is important for inpatient reimbursement because it documents the reattachment performed and supports appropriate case mix assignment and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
D	Body System	Gastrointestinal System
M	Operation	Reattachment
K	Body Part	Ascending Colon

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ICD-10-PCS Code For Ascending Colon: Procedure Code Group Overview

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Ascending Colon Reattachment Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
D	Body System	Gastrointestinal System
M	Operation	Reattachment
K	Body Part	Ascending Colon

When to Use

Use a code from this group when a surgeon performs reattachment of the ascending colon during an inpatient encounter, such as after traumatic separation or planned surgical detachment. Select the specific code that matches the portion of the ascending colon reattached and the reattachment technique documented.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
0DMK0ZZ	Reattachment of Ascending Colon, Open Approach
0DMK4ZZ	Reattachment of Ascending Colon, Percutaneous Endoscopic Approach

DRG Codes

6 rows

DRG Code	Description
329	Major Small and Large Bowel Procedures with MCC
330	Major Small and Large Bowel Procedures with CC
331	Major Small and Large Bowel Procedures without CC/MCC
907	Other O.R. Procedures for Injuries with MCC
908	Other O.R. Procedures for Injuries with CC
909	Other O.R. Procedures for Injuries without CC/MCC

Typical Clinical Scenarios

A 35-year-old patient is brought to the emergency department after a motor vehicle collision with blunt abdominal trauma causing a near-complete transection of the ascending colon and ongoing fecal contamination. The patient is taken to the operating room urgently for open laparotomy to control contamination, debride devitalized bowel, and surgically reattach the separated segment of ascending colon to restore continuity. An open reattachment approach is documented because of the need for wide exposure and contamination control. Typical codes: 0DMK0ZZ
A 62-year-old patient with a history of prior right hemicolectomy presents electively for reattachment of a short separated segment of ascending colon identified on imaging and endoscopy after staged reconstructive surgery. Under controlled conditions, the surgeon performs a minimally invasive endoscopic-assisted reattachment to restore anatomical continuity and avoid a large laparotomy. The planned technique is percutaneous endoscopic reattachment of the ascending colon documented during the inpatient stay for recovery and monitoring. Typical codes: 0DMK4ZZ
A 48-year-old patient develops a postoperative dehiscence at an anastomosis involving the ascending colon after recent colorectal surgery, resulting in a partially detached segment with localized abscess formation. After sepsis is controlled and the patient is stabilized, the surgeon performs operative reattachment of the ascending colon to reestablish continuity and address the dehiscence; due to adhesions and the need for extensive repair, an open approach is used. Typical codes: 0DMK0ZZ

Related Codes

0DM5-ESOPHAGUS-REATTACHMENT

ICD-10-PCS Code For Esophagus: Procedure Code Group Overview

0DM6-STOMACH-REATTACHMENT

ICD-10-PCS Code For Stomach: Procedure Code Group Overview

0DM8-SMALL-INTESTINE-REATTACHMENT

ICD-10-PCS Code For Small Intestine: Procedure Code Group Overview

0DM9-DUODENUM-REATTACHMENT

ICD-10-PCS Code For Duodenum: Procedure Code Group Overview

0DMA-JEJUNUM-REATTACHMENT

ICD-10-PCS Code For Jejunum: Procedure Code Group Overview

0DMB-ILEUM-REATTACHMENT

ICD-10-PCS Code For Ileum: Procedure Code Group Overview

0DME-LARGE-INTESTINE-REATTACHMENT

ICD-10-PCS Code For Large Intestine: Procedure Code Group Overview

0DMF-LARGE-INTESTINE-RIGHT-REATTACHMENT

ICD-10-PCS Code For Large Intestine, Right: Procedure Code Group Overview

0DMG-LARGE-INTESTINE-LEFT-REATTACHMENT

ICD-10-PCS Code For Large Intestine Left: Procedure Code Group Overview

0DMH-CECUM-REATTACHMENT

ICD-10-PCS Code For Cecum: Procedure Code Group Overview

Showing 1–10 of 14

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

2 rows

ICD-10-PCS Code	Description
0DMK0ZZ	Reattachment of Ascending Colon, Open Approach
0DMK4ZZ	Reattachment of Ascending Colon, Percutaneous Endoscopic Approach

DRG Codes

6 rows

DRG Code	Description
329	Major Small and Large Bowel Procedures with MCC
330	Major Small and Large Bowel Procedures with CC
331	Major Small and Large Bowel Procedures without CC/MCC
907	Other O.R. Procedures for Injuries with MCC
908	Other O.R. Procedures for Injuries with CC
909	Other O.R. Procedures for Injuries without CC/MCC

Typical Clinical Scenarios

A 35-year-old patient is brought to the emergency department after a motor vehicle collision with blunt abdominal trauma causing a near-complete transection of the ascending colon and ongoing fecal contamination. The patient is taken to the operating room urgently for open laparotomy to control contamination, debride devitalized bowel, and surgically reattach the separated segment of ascending colon to restore continuity. An open reattachment approach is documented because of the need for wide exposure and contamination control. Typical codes: 0DMK0ZZ
A 62-year-old patient with a history of prior right hemicolectomy presents electively for reattachment of a short separated segment of ascending colon identified on imaging and endoscopy after staged reconstructive surgery. Under controlled conditions, the surgeon performs a minimally invasive endoscopic-assisted reattachment to restore anatomical continuity and avoid a large laparotomy. The planned technique is percutaneous endoscopic reattachment of the ascending colon documented during the inpatient stay for recovery and monitoring. Typical codes: 0DMK4ZZ
A 48-year-old patient develops a postoperative dehiscence at an anastomosis involving the ascending colon after recent colorectal surgery, resulting in a partially detached segment with localized abscess formation. After sepsis is controlled and the patient is stabilized, the surgeon performs operative reattachment of the ascending colon to reestablish continuity and address the dehiscence; due to adhesions and the need for extensive repair, an open approach is used. Typical codes: 0DMK0ZZ

Related Codes

0DM5-ESOPHAGUS-REATTACHMENT

ICD-10-PCS Code For Esophagus: Procedure Code Group Overview

0DM6-STOMACH-REATTACHMENT

ICD-10-PCS Code For Stomach: Procedure Code Group Overview

0DM8-SMALL-INTESTINE-REATTACHMENT

ICD-10-PCS Code For Small Intestine: Procedure Code Group Overview

0DM9-DUODENUM-REATTACHMENT

ICD-10-PCS Code For Duodenum: Procedure Code Group Overview

0DMA-JEJUNUM-REATTACHMENT

ICD-10-PCS Code For Jejunum: Procedure Code Group Overview

0DMB-ILEUM-REATTACHMENT

ICD-10-PCS Code For Ileum: Procedure Code Group Overview

0DME-LARGE-INTESTINE-REATTACHMENT

ICD-10-PCS Code For Large Intestine: Procedure Code Group Overview

0DMF-LARGE-INTESTINE-RIGHT-REATTACHMENT

ICD-10-PCS Code For Large Intestine, Right: Procedure Code Group Overview

0DMG-LARGE-INTESTINE-LEFT-REATTACHMENT

ICD-10-PCS Code For Large Intestine Left: Procedure Code Group Overview

0DMH-CECUM-REATTACHMENT

ICD-10-PCS Code For Cecum: Procedure Code Group Overview

Showing 1–10 of 14

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.

ICD-10-PCS Code For Ascending Colon: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Ascending Colon: Procedure Code Group Overview policy alerts

Ascending Colon Reattachment Procedure Overview

Code Attributes

ICD-10-PCS Code For Ascending Colon: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Ascending Colon: Procedure Code Group Overview policy alerts

Ascending Colon Reattachment Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS codes are in the 0DMK group for ascending colon reattachment?

What is the body system and operation described by the 0DMK code group?

When should a coder use a 0DMK code for inpatient documentation?

How do 0DMK procedures relate to DRG assignment for inpatient reimbursement?

What approaches are specified for reattachment procedures in the 0DMK group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS codes are in the 0DMK group for ascending colon reattachment?

What is the body system and operation described by the 0DMK code group?

When should a coder use a 0DMK code for inpatient documentation?

How do 0DMK procedures relate to DRG assignment for inpatient reimbursement?

What approaches are specified for reattachment procedures in the 0DMK group?

References