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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0HB9 includes procedures performed to excise portions of skin in the perineum. These ICD-10-PCS codes are used for inpatient documentation when an excision of skin tissue of the perineum is performed without replacement. Accurate coding within the ICD-10-PCS 0HB9 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

Customize your policy alerts

Sign up for ICD-10-PCS Code For Perineum: 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 Excision Procedure Overview

This procedure group includes excision procedures that remove a portion of the perineal skin and soft tissue and target the skin and breast body system. These excisions involve cutting out or off without replacement and are coded in the inpatient setting using the International Classification of Diseases, 10th Revision, Procedure Coding System. Accurate selection of the appropriate code captures the specific body part and operation performed and supports correct inpatient reimbursement and clinical recordkeeping.

Code Attributes

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

Explore openpayer tools

View all tools

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

Customize your policy alerts

Sign up for ICD-10-PCS Code For Perineum: 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 Excision Procedure Overview

Code Attributes

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

When to Use

Use a code from this group when an inpatient excision of perineal skin is performed without replacement of the removed tissue. Select the specific code that matches the extent and precise perineal skin site documented in the operative report.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
0HB9XZX	Excision of Perineum Skin, External Approach, Diagnostic
0HB9XZZ	Excision of Perineum Skin, External Approach

DRG Codes

3 rows

DRG Code	Description
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

Typical Clinical Scenarios

A middle-aged patient is admitted from the emergency department with a large necrotic perineal skin lesion after a localized traumatic degloving injury with contaminated wound edges and surrounding devitalized tissue; inpatient care is required for debridement, wound care, and infection control, and an excision of the nonviable perineal skin is performed without replacement to remove devitalized tissue and reduce infection risk. Typical codes: 0HB9XZZ
An elderly patient with a rapidly enlarging, suspicious pigmented lesion of the perineum is admitted for planned inpatient excisional biopsy because outpatient removal is contraindicated due to comorbidities and need for monitored anesthesia; the procedure removes the skin lesion for definitive diagnosis and pathological evaluation, performed via an external approach without replacement. Typical codes: 0HB9XZX, 0HB9XZZ
A patient hospitalized for management of chronic perineal skin breakdown related to radiation dermatitis develops an isolated nonhealing ulcer with recurrent tissue sloughing despite conservative therapy; surgeons perform a targeted excision of the unhealthy perineal skin to remove the ulcerated segment and promote healing, without immediate skin grafting or replacement. Typical codes: 0HB9XZZ

Related Codes

0HB0-SKIN-SCALP-EXCISION

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

0HB1-SKIN-FACE-EXCISION

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

0HB2-SKIN-RIGHT-EAR-EXCISION

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

0HB3-LEFT-EAR-EXCISION

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

0HB4-SKIN-NECK-EXCISION

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

0HB5-CHEST-EXCISION

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

0HB6-SKIN-BACK-EXCISION

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

0HB7-SKIN-ABDOMEN-EXCISION

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

0HB8-SKIN-BUTTOCK-EXCISION

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

0HBA-INGUINAL-EXCISION

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

Showing 1–10 of 30

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

2 rows

ICD-10-PCS Code	Description
0HB9XZX	Excision of Perineum Skin, External Approach, Diagnostic
0HB9XZZ	Excision of Perineum Skin, External Approach

DRG Codes

3 rows

DRG Code	Description
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

Typical Clinical Scenarios

A middle-aged patient is admitted from the emergency department with a large necrotic perineal skin lesion after a localized traumatic degloving injury with contaminated wound edges and surrounding devitalized tissue; inpatient care is required for debridement, wound care, and infection control, and an excision of the nonviable perineal skin is performed without replacement to remove devitalized tissue and reduce infection risk. Typical codes: 0HB9XZZ
An elderly patient with a rapidly enlarging, suspicious pigmented lesion of the perineum is admitted for planned inpatient excisional biopsy because outpatient removal is contraindicated due to comorbidities and need for monitored anesthesia; the procedure removes the skin lesion for definitive diagnosis and pathological evaluation, performed via an external approach without replacement. Typical codes: 0HB9XZX, 0HB9XZZ
A patient hospitalized for management of chronic perineal skin breakdown related to radiation dermatitis develops an isolated nonhealing ulcer with recurrent tissue sloughing despite conservative therapy; surgeons perform a targeted excision of the unhealthy perineal skin to remove the ulcerated segment and promote healing, without immediate skin grafting or replacement. Typical codes: 0HB9XZZ

Related Codes

0HB0-SKIN-SCALP-EXCISION

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

0HB1-SKIN-FACE-EXCISION

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

0HB2-SKIN-RIGHT-EAR-EXCISION

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

0HB3-LEFT-EAR-EXCISION

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

0HB4-SKIN-NECK-EXCISION

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

0HB5-CHEST-EXCISION

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

0HB6-SKIN-BACK-EXCISION

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

0HB7-SKIN-ABDOMEN-EXCISION

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

0HB8-SKIN-BUTTOCK-EXCISION

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

0HBA-INGUINAL-EXCISION

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

Showing 1–10 of 30

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: Procedure Code Group Overview

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

Perineum Excision Procedure Overview

Code Attributes

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

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

Perineum Excision Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does ICD-10-PCS code group 0HB9 represent?

What are the individual ICD-10-PCS codes included in the 0HB9 group?

In what clinical setting are 0HB9 codes used for documentation?

How do 0HB9 codes relate to DRG assignment?

What are the key code attributes to verify when assigning a 0HB9 code?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does ICD-10-PCS code group 0HB9 represent?

What are the individual ICD-10-PCS codes included in the 0HB9 group?

In what clinical setting are 0HB9 codes used for documentation?

How do 0HB9 codes relate to DRG assignment?

What are the key code attributes to verify when assigning a 0HB9 code?

References