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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 5A1C includes procedures performed to perform biliary physiological functions by extracorporeal means in the biliary system. These ICD-10-PCS codes are used for inpatient documentation when a patient requires extracorporeal or systemic assistance to take over biliary function. Accurate coding within the ICD-10-PCS 5A1C group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Biliary Performance Procedure Overview

Procedures in this group involve extracorporeal or systemic performance of biliary physiological functions, using devices or machines to take over biliary activity outside the body. They target the physiological systems body system with a focus on biliary function and typically involve external circulation or processing to perform bile-related tasks. Accurate ICD-10-PCS coding matters for inpatient reimbursement because it documents the use of extracorporeal support and clarifies resource use and case complexity. Precise codes ensure the procedure performed is captured for appropriate inpatient payment and clinical records.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
5	Section	Extracorporeal or Systemic Assistance and Performance
A	Body System	Physiological Systems
1	Operation	Performance
C	Body Part	Biliary

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

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Biliary Performance Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
5	Section	Extracorporeal or Systemic Assistance and Performance
A	Body System	Physiological Systems
1	Operation	Performance
C	Body Part	Biliary

When to Use

Use a code from this group when biliary function is carried out by extracorporeal systems or machines rather than by the patient’s native physiology. These codes apply when documentation supports that extracorporeal performance of biliary processes was initiated, continued, or discontinued during the inpatient encounter.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
5A1C00Z	Performance of Biliary Filtration, Single
5A1C60Z	Performance of Biliary Filtration, Multiple

Typical Clinical Scenarios

An adult patient with acute obstructive jaundice due to massive bile toxin accumulation after traumatic biliary diversion presents to the hospital with progressive hepatic encephalopathy and renal dysfunction; inpatient care is required to stabilize multisystem failure while extracorporeal biliary clearance is initiated to remove circulating bile constituents not handled by native biliary flow. A single-session extracorporeal biliary filtration may be used to quickly lower toxin load during the acute presentation. Typical codes: 5A1C00Z
A patient with chronic cholestatic liver disease awaiting liver transplantation is admitted electively for scheduled extracorporeal biliary support to manage persistent pruritus and refractory bile salt accumulation while bridging to transplant; the procedure is performed as part of a planned inpatient management strategy to perform biliary clearance over multiple sessions. Typical codes: 5A1C60Z
A postoperative patient who previously underwent biliary surgery now develops recurrent severe hyperbilirubinemia and sepsis-related cholestasis unresponsive to medical therapy; inpatient care includes initiating repeated extracorporeal biliary filtration sessions to support biliary function and control toxin levels while treating the infectious complication and assessing for further surgical or transplant needs. Typical codes: 5A1C60Z

Related Codes

5A12-CARDIAC-PERFORMANCE

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

5A15-CIRCULATORY-PERFORMANCE

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

5A19-RESPIRATORY-PERFORMANCE

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

5A1D-URINARY-PERFORMANCE

ICD-10-PCS Code For Urinary: 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

2 rows

ICD-10-PCS Code	Description
5A1C00Z	Performance of Biliary Filtration, Single
5A1C60Z	Performance of Biliary Filtration, Multiple

Typical Clinical Scenarios

An adult patient with acute obstructive jaundice due to massive bile toxin accumulation after traumatic biliary diversion presents to the hospital with progressive hepatic encephalopathy and renal dysfunction; inpatient care is required to stabilize multisystem failure while extracorporeal biliary clearance is initiated to remove circulating bile constituents not handled by native biliary flow. A single-session extracorporeal biliary filtration may be used to quickly lower toxin load during the acute presentation. Typical codes: 5A1C00Z
A patient with chronic cholestatic liver disease awaiting liver transplantation is admitted electively for scheduled extracorporeal biliary support to manage persistent pruritus and refractory bile salt accumulation while bridging to transplant; the procedure is performed as part of a planned inpatient management strategy to perform biliary clearance over multiple sessions. Typical codes: 5A1C60Z
A postoperative patient who previously underwent biliary surgery now develops recurrent severe hyperbilirubinemia and sepsis-related cholestasis unresponsive to medical therapy; inpatient care includes initiating repeated extracorporeal biliary filtration sessions to support biliary function and control toxin levels while treating the infectious complication and assessing for further surgical or transplant needs. Typical codes: 5A1C60Z

Related Codes

5A12-CARDIAC-PERFORMANCE

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

5A15-CIRCULATORY-PERFORMANCE

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

5A19-RESPIRATORY-PERFORMANCE

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

5A1D-URINARY-PERFORMANCE

ICD-10-PCS Code For Urinary: 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 Biliary: Procedure Code Group Overview

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

Biliary Performance Procedure Overview

Code Attributes

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

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

Biliary Performance Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 5A1C?

What is the primary purpose of procedures coded to 5A1C?

In what inpatient documentation context are 5A1C codes used?

Why is precise coding within the 5A1C group important for reimbursement?

What are the code attributes for the 5A1C group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 5A1C?

What is the primary purpose of procedures coded to 5A1C?

In what inpatient documentation context are 5A1C codes used?

Why is precise coding within the 5A1C group important for reimbursement?

What are the code attributes for the 5A1C group?

References