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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 6A15 includes procedures performed to decompress undissolved gas from circulatory body fluids. These ICD-10-PCS codes are used for inpatient documentation when extracorporeal techniques are used to remove gas emboli or other undissolved gas from the circulatory system. Accurate coding within the ICD-10-PCS 6A15 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Circulatory Decompression Procedure Overview

Procedures in this group involve extracorporeal decompression techniques to remove undissolved gas from circulatory body fluids. These procedures target the circulatory system and are performed using extracorporeal devices to eliminate intravascular or heart-associated gas emboli. Accurate coding of these decompression procedures affects inpatient reimbursement by reflecting the complexity and resources used for life-saving circulatory therapies.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
6	Section	Extracorporeal or Systemic Therapies
A	Body System	Physiological Systems
1	Operation	Decompression
5	Body Part	Circulatory

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

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Circulatory Decompression Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
6	Section	Extracorporeal or Systemic Therapies
A	Body System	Physiological Systems
1	Operation	Decompression
5	Body Part	Circulatory

When to Use

Use a code from this group when extracorporeal methods are employed to extract undissolved gas from the circulatory system. These codes apply when the primary objective of the procedure is decompression of circulatory fluids to treat or prevent gas embolism.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
6A150ZZ	Decompression, Circulatory, Single
6A151ZZ	Decompression, Circulatory, Multiple

Typical Clinical Scenarios

A diver presents to the emergency department with sudden onset neurologic deficits after a rapid ascent during a recreational dive. Imaging and clinical assessment suggest arterial gas embolism with involvement of the central circulation; the patient is admitted to inpatient care for urgent extracorporeal removal of intravascular gas to prevent ongoing ischemia. An extracorporeal decompression procedure targeting the circulatory system is performed to extract undissolved gas emboli from the bloodstream. Typical codes: 6A150ZZ
A patient undergoing cardiothoracic surgery is found intraoperatively to have persistent intravascular air despite conventional de-airing maneuvers and is brought postoperatively to the intensive care unit for planned extracorporeal decompression to remove remaining gas from the circulatory system. The goal is controlled extracorporeal extraction of undissolved gas to prevent postoperative embolic complications before definitive recovery. Typical codes: 6A150ZZ
A patient with prior treatment for gas embolism returns with recurrent or multiple intravascular gas sites identified on imaging and persistent clinical signs despite initial therapy, necessitating repeat extracorporeal decompression targeting several circulatory locations. The procedure is performed to remove multiple discrete collections of undissolved gas from the circulatory system during the same inpatient episode. Typical codes: 6A151ZZ

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
6A150ZZ	Decompression, Circulatory, Single
6A151ZZ	Decompression, Circulatory, Multiple

Typical Clinical Scenarios

A diver presents to the emergency department with sudden onset neurologic deficits after a rapid ascent during a recreational dive. Imaging and clinical assessment suggest arterial gas embolism with involvement of the central circulation; the patient is admitted to inpatient care for urgent extracorporeal removal of intravascular gas to prevent ongoing ischemia. An extracorporeal decompression procedure targeting the circulatory system is performed to extract undissolved gas emboli from the bloodstream. Typical codes: 6A150ZZ
A patient undergoing cardiothoracic surgery is found intraoperatively to have persistent intravascular air despite conventional de-airing maneuvers and is brought postoperatively to the intensive care unit for planned extracorporeal decompression to remove remaining gas from the circulatory system. The goal is controlled extracorporeal extraction of undissolved gas to prevent postoperative embolic complications before definitive recovery. Typical codes: 6A150ZZ
A patient with prior treatment for gas embolism returns with recurrent or multiple intravascular gas sites identified on imaging and persistent clinical signs despite initial therapy, necessitating repeat extracorporeal decompression targeting several circulatory locations. The procedure is performed to remove multiple discrete collections of undissolved gas from the circulatory system during the same inpatient episode. Typical codes: 6A151ZZ

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 Circulatory: Procedure Code Group Overview

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Circulatory Decompression Procedure Overview

Code Attributes

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

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

Circulatory Decompression Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

What procedures are included in ICD-10-PCS code group 6A15?

What are the specific ICD-10-PCS codes in this group?

Under which ICD-10-PCS section and body system do these codes fall?

How does accurate coding of 6A15 affect inpatient reimbursement?

Are there related DRGs listed for code group 6A15?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

What procedures are included in ICD-10-PCS code group 6A15?

What are the specific ICD-10-PCS codes in this group?

Under which ICD-10-PCS section and body system do these codes fall?

How does accurate coding of 6A15 affect inpatient reimbursement?

Are there related DRGs listed for code group 6A15?

References