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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 07PM includes procedures performed to remove tissue or devices from the thymus in the lymphatic and hemic systems. These ICD-10-PCS codes are used for inpatient documentation when a clinician performs surgical removal of all or part of the thymus for therapeutic or diagnostic reasons. Accurate coding within the ICD-10-PCS 07PM group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Thymus Removal Procedure Overview

This procedure group includes inpatient removal procedures that target the thymus within the lymphatic and hemic systems. These operations involve surgically taking out all or part of the thymus gland and may be performed for malignancy, hyperplasia, or other pathology. Accurate ICD-10-PCS coding ensures the procedure is correctly represented for inpatient reimbursement and supports clinical documentation and case-mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
7	Body System	Lymphatic and Hemic Systems
P	Operation	Removal
M	Body Part	Thymus

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

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Thymus Removal Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
7	Body System	Lymphatic and Hemic Systems
P	Operation	Removal
M	Body Part	Thymus

When to Use

Use a code from this group when the inpatient procedure involves surgically removing the thymus or a portion of it. Codes apply when removal is performed for treatment, biopsy, or management of thymic disease.

ICD-10-PCS Codes

11 rows

ICD-10-PCS Code	Description
07PM00Z	Removal of Drainage Device from Thymus, Open Approach
07PM03Z	Removal of Infusion Device from Thymus, Open Approach
07PM0YZ	Removal of Other Device from Thymus, Open Approach
07PM30Z	Removal of Drainage Device from Thymus, Percutaneous Approach
07PM33Z	Removal of Infusion Device from Thymus, Percutaneous Approach
07PM3YZ	Removal of Other Device from Thymus, Percutaneous Approach
07PM40Z	Removal of Drainage Device from Thymus, Percutaneous Endoscopic Approach
07PM43Z	Removal of Infusion Device from Thymus, Percutaneous Endoscopic Approach
07PM4YZ	Removal of Other Device from Thymus, Percutaneous Endoscopic Approach
07PMX0Z	Removal of Drainage Device from Thymus, External Approach

Showing 1–10 of 11

DRG Codes

21 rows

DRG Code	Description
163	Major Chest Procedures with MCC
164	Major Chest Procedures with CC
165	Major Chest Procedures without CC/MCC
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC
629	Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC
630	Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC
802	Other O.R. Procedures of the Blood and Blood Forming Organs with MCC
803	Other O.R. Procedures of the Blood and Blood Forming Organs with CC
804	Other O.R. Procedures of the Blood and Blood Forming Organs without CC/MCC
820	Lymphoma and Leukemia with Major O.R. Procedures with MCC

Showing 1–10 of 21

Typical Clinical Scenarios

A 62-year-old patient admitted from clinic with a symptomatic mediastinal mass identified on imaging suspicious for thymic malignancy. The surgical team performs an open operative procedure to remove an implanted infusion port that had been placed previously into the thymic region for local chemotherapy delivery prior to definitive thymectomy planning. Removal is done via an open approach after induction of anesthesia because the device is adherent to surrounding tissue and requires direct visualization. Typical codes: 07PM03Z
A 45-year-old with myasthenia gravis presents to the emergency inpatient unit with signs of infected mediastinal drainage from a previously placed catheter tract, including fever and purulent drainage at the chest entry site. The decision is made to remove the drainage device from the thymic region urgently to control the infection; removal is performed percutaneously at bedside under image guidance to minimize operative time and anesthesia exposure. Typical codes: 07PM30Z
A 30-year-old patient returns months after thymic biopsy with persistent serous drainage and granulation tissue around an external tubing tract. Because conservative management failed and the external components remain the source of irritation, the surgical team performs an external approach to remove the remaining external device components from the thymic area in the inpatient setting to resolve the chronic complication. Typical codes: 07PMX0Z

Related Codes

07PK-THORACIC-DUCT-REMOVAL

ICD-10-PCS Code For Thoracic Duct: Procedure Code Group Overview

07PL-CISTERNA-CHYLI-REMOVAL

ICD-10-PCS Code For Cisterna Chyli: Procedure Code Group Overview

07PN-LYMPHATIC-REMOVAL

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

07PP-SPLEEN-REMOVAL

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

07PT-BONE-MARROW-REMOVAL

ICD-10-PCS Code For Bone Marrow: Procedure Code Group Overview

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

11 rows

ICD-10-PCS Code	Description
07PM00Z	Removal of Drainage Device from Thymus, Open Approach
07PM03Z	Removal of Infusion Device from Thymus, Open Approach
07PM0YZ	Removal of Other Device from Thymus, Open Approach
07PM30Z	Removal of Drainage Device from Thymus, Percutaneous Approach
07PM33Z	Removal of Infusion Device from Thymus, Percutaneous Approach
07PM3YZ	Removal of Other Device from Thymus, Percutaneous Approach
07PM40Z	Removal of Drainage Device from Thymus, Percutaneous Endoscopic Approach
07PM43Z	Removal of Infusion Device from Thymus, Percutaneous Endoscopic Approach
07PM4YZ	Removal of Other Device from Thymus, Percutaneous Endoscopic Approach
07PMX0Z	Removal of Drainage Device from Thymus, External Approach

Showing 1–10 of 11

DRG Codes

21 rows

DRG Code	Description
163	Major Chest Procedures with MCC
164	Major Chest Procedures with CC
165	Major Chest Procedures without CC/MCC
628	Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC
629	Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC
630	Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC
802	Other O.R. Procedures of the Blood and Blood Forming Organs with MCC
803	Other O.R. Procedures of the Blood and Blood Forming Organs with CC
804	Other O.R. Procedures of the Blood and Blood Forming Organs without CC/MCC
820	Lymphoma and Leukemia with Major O.R. Procedures with MCC

Showing 1–10 of 21

Typical Clinical Scenarios

A 62-year-old patient admitted from clinic with a symptomatic mediastinal mass identified on imaging suspicious for thymic malignancy. The surgical team performs an open operative procedure to remove an implanted infusion port that had been placed previously into the thymic region for local chemotherapy delivery prior to definitive thymectomy planning. Removal is done via an open approach after induction of anesthesia because the device is adherent to surrounding tissue and requires direct visualization. Typical codes: 07PM03Z
A 45-year-old with myasthenia gravis presents to the emergency inpatient unit with signs of infected mediastinal drainage from a previously placed catheter tract, including fever and purulent drainage at the chest entry site. The decision is made to remove the drainage device from the thymic region urgently to control the infection; removal is performed percutaneously at bedside under image guidance to minimize operative time and anesthesia exposure. Typical codes: 07PM30Z
A 30-year-old patient returns months after thymic biopsy with persistent serous drainage and granulation tissue around an external tubing tract. Because conservative management failed and the external components remain the source of irritation, the surgical team performs an external approach to remove the remaining external device components from the thymic area in the inpatient setting to resolve the chronic complication. Typical codes: 07PMX0Z

Related Codes

07PK-THORACIC-DUCT-REMOVAL

ICD-10-PCS Code For Thoracic Duct: Procedure Code Group Overview

07PL-CISTERNA-CHYLI-REMOVAL

ICD-10-PCS Code For Cisterna Chyli: Procedure Code Group Overview

07PN-LYMPHATIC-REMOVAL

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

07PP-SPLEEN-REMOVAL

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

07PT-BONE-MARROW-REMOVAL

ICD-10-PCS Code For Bone Marrow: Procedure Code Group Overview

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 Thymus: Procedure Code Group Overview

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

Thymus Removal Procedure Overview

Code Attributes

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

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

Thymus Removal Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS section and body system covers thymus removal procedures in this group?

What types of device removals from the thymus are included in ICD-10-PCS code group 07PM?

How are approach variations represented within the `07PM` code group?

Why is accurate coding within ICD-10-PCS group `07PM` important for inpatient settings?

Which DRG categories may be associated with procedures coded in the 07PM group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS section and body system covers thymus removal procedures in this group?

What types of device removals from the thymus are included in ICD-10-PCS code group 07PM?

How are approach variations represented within the `07PM` code group?

Why is accurate coding within ICD-10-PCS group `07PM` important for inpatient settings?

Which DRG categories may be associated with procedures coded in the 07PM group?

References