ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0HM9 includes procedures performed to reattach skin in the perineum. These ICD-10-PCS codes are used for inpatient documentation when a separated portion of perineal skin is surgically reattached to its normal location via an external approach. Accurate coding within the ICD-10-PCS 0HM9 group is essential for proper inpatient reimbursement, as it captures procedure performed and supports clinical documentation accuracy.

Customize your policy alerts

Sign up for ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview policy alerts

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Perineum Reattachment Procedure Overview

Procedures in this group involve reattaching skin of the perineum through external approaches and target the Skin and Breast body system. These reattachment procedures restore continuity of a separated portion of perineal skin to its normal location. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it captures the specific reattachment procedure performed and supports appropriate case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
H	Body System	Skin and Breast
M	Operation	Reattachment
9	Body Part	Skin, Perineum

Explore openpayer tools

View all tools

ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview

Customize your policy alerts

Sign up for ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview policy alerts

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Perineum Reattachment Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
H	Body System	Skin and Breast
M	Operation	Reattachment
9	Body Part	Skin, Perineum

When to Use

Use codes from this group when surgical reattachment of perineal skin is performed to restore continuity after separation or traumatic avulsion. Assign the specific ICD-10 PCS 0HM9 code when the operation is reattachment of perineum skin via an external approach documented in the inpatient record.

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
0HM9XZZ	Reattachment of Perineum Skin, External Approach

DRG Codes

18 rows

DRG Code	Description
143	Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC
144	Other Ear, Nose, Mouth and Throat O.R. Procedures with CC
145	Other Ear, Nose, Mouth and Throat O.R. Procedures without CC/MCC
579	Other Skin, Subcutaneous Tissue and Breast Procedures with MCC
580	Other Skin, Subcutaneous Tissue and Breast Procedures with CC
581	Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC
619	O.R. Procedures for Obesity with MCC
620	O.R. Procedures for Obesity with CC
621	O.R. Procedures for Obesity without CC/MCC
907	Other O.R. Procedures for Injuries with MCC

Showing 1–10 of 18

Typical Clinical Scenarios

An adult trauma patient presents after a motorcycle collision with avulsion of a flap of perineal skin partially separated from the underlying tissues and contaminated by road debris; the patient is admitted for debridement, wound care, and surgical restoration of the skin to its normal anatomic position to preserve function and facilitate healing. Typical codes: 0HM9XZZ
An elderly patient on anticoagulation develops a spontaneous skin separation of the perineum after a fall at home, resulting in a detached segment that is viable but not reapproximated in the emergency department; the patient is admitted for medical optimization and definitive reattachment of the perineal skin under controlled operative conditions to reduce infection risk and restore tissue integrity. Typical codes: 0HM9XZZ
A patient with prior perineal reconstructive surgery returns with partial dehiscence of the skin closure and a separated skin segment that requires operative reattachment to re-establish coverage and prevent deeper wound complications; inpatient reoperation is performed to reapproximate the perineal skin to its normal location. Typical codes: 0HM9XZZ

Related Codes

0HM0-SCALP-REATTACHMENT

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

0HM1-FACE-REATTACHMENT

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

0HM2-RIGHT-EAR-REATTACHMENT

ICD-10-PCS Code For Right Ear Skin: Procedure Code Group Overview

0HM3-LEFT-EAR-REATTACHMENT

ICD-10-PCS Code For Left Ear Skin: Procedure Code Group Overview

0HM4-NECK-REATTACHMENT

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

0HM5-CHEST-REATTACHMENT

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

0HM6-BACK-REATTACHMENT

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

0HM7-ABDOMEN-REATTACHMENT

ICD-10-PCS Code For Abdomen Skin: Procedure Code Group Overview

0HM8-BUTTOCK-REATTACHMENT

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

0HMA-INGUINAL-SKIN-REATTACHMENT

ICD-10-PCS Code For Inguinal Skin: Procedure Code Group Overview

Showing 1–10 of 27

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.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Explore openpayer tools

View all tools

When to Use

ICD-10-PCS Codes

1 rows

ICD-10-PCS Code	Description
0HM9XZZ	Reattachment of Perineum Skin, External Approach

DRG Codes

18 rows

DRG Code	Description
143	Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC
144	Other Ear, Nose, Mouth and Throat O.R. Procedures with CC
145	Other Ear, Nose, Mouth and Throat O.R. Procedures without CC/MCC
579	Other Skin, Subcutaneous Tissue and Breast Procedures with MCC
580	Other Skin, Subcutaneous Tissue and Breast Procedures with CC
581	Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC
619	O.R. Procedures for Obesity with MCC
620	O.R. Procedures for Obesity with CC
621	O.R. Procedures for Obesity without CC/MCC
907	Other O.R. Procedures for Injuries with MCC

Showing 1–10 of 18

Typical Clinical Scenarios

An adult trauma patient presents after a motorcycle collision with avulsion of a flap of perineal skin partially separated from the underlying tissues and contaminated by road debris; the patient is admitted for debridement, wound care, and surgical restoration of the skin to its normal anatomic position to preserve function and facilitate healing. Typical codes: 0HM9XZZ
An elderly patient on anticoagulation develops a spontaneous skin separation of the perineum after a fall at home, resulting in a detached segment that is viable but not reapproximated in the emergency department; the patient is admitted for medical optimization and definitive reattachment of the perineal skin under controlled operative conditions to reduce infection risk and restore tissue integrity. Typical codes: 0HM9XZZ
A patient with prior perineal reconstructive surgery returns with partial dehiscence of the skin closure and a separated skin segment that requires operative reattachment to re-establish coverage and prevent deeper wound complications; inpatient reoperation is performed to reapproximate the perineal skin to its normal location. Typical codes: 0HM9XZZ

Related Codes

0HM0-SCALP-REATTACHMENT

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

0HM1-FACE-REATTACHMENT

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

0HM2-RIGHT-EAR-REATTACHMENT

ICD-10-PCS Code For Right Ear Skin: Procedure Code Group Overview

0HM3-LEFT-EAR-REATTACHMENT

ICD-10-PCS Code For Left Ear Skin: Procedure Code Group Overview

0HM4-NECK-REATTACHMENT

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

0HM5-CHEST-REATTACHMENT

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

0HM6-BACK-REATTACHMENT

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

0HM7-ABDOMEN-REATTACHMENT

ICD-10-PCS Code For Abdomen Skin: Procedure Code Group Overview

0HM8-BUTTOCK-REATTACHMENT

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

0HMA-INGUINAL-SKIN-REATTACHMENT

ICD-10-PCS Code For Inguinal Skin: Procedure Code Group Overview

Showing 1–10 of 27

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 Perineum Skin: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview policy alerts

Perineum Reattachment Procedure Overview

Code Attributes

ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Perineum Skin: Procedure Code Group Overview policy alerts

Perineum Reattachment Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code identifies reattachment of perineum skin via external approach?

What body system and operation are represented in the 0HM9 code group?

When should the `0HM9XZZ` code be used for inpatient documentation?

How does accurate coding within the 0HM9 group affect reimbursement?

Which DRG categories may relate to procedures coded with `0HM9XZZ`?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code identifies reattachment of perineum skin via external approach?

What body system and operation are represented in the 0HM9 code group?

When should the `0HM9XZZ` code be used for inpatient documentation?

How does accurate coding within the 0HM9 group affect reimbursement?

Which DRG categories may relate to procedures coded with `0HM9XZZ`?

References