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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0NP0 includes procedures performed to remove devices or foreign bodies in the skull. These ICD-10-PCS codes are used for inpatient documentation when a device or foreign object must be surgically taken out from the skull due to malfunction, infection, migration, or planned explantation. Accurate coding within the ICD-10-PCS 0NP0 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Skull Removal Procedure Overview

This procedure group covers removal of devices or objects from the skull, which targets the head and facial bones body system. Procedures involve surgically taking out implanted or externally placed hardware or foreign bodies from the skull. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the exact operation and supports correct case mix and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
N	Body System	Head and Facial Bones
P	Operation	Removal
0	Body Part	Skull

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

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Skull Removal Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
N	Body System	Head and Facial Bones
P	Operation	Removal
0	Body Part	Skull

When to Use

Use a code from this group when a device or foreign body is surgically removed from the skull during an inpatient stay. Typical clinical circumstances include removal for infection, hardware failure, migration, or scheduled explantation.

ICD-10-PCS Codes

34 rows

ICD-10-PCS Code	Description
0NP000Z	Removal of Drainage Device from Skull, Open Approach
0NP003Z	Removal of Infusion Device from Skull, Open Approach
0NP004Z	Removal of Internal Fixation Device from Skull, Open Approach
0NP005Z	Removal of External Fixation Device from Skull, Open Approach
0NP007Z	Removal of Autologous Tissue Substitute from Skull, Open Approach
0NP00JZ	Removal of Synthetic Substitute from Skull, Open Approach
0NP00KZ	Removal of Nonautologous Tissue Substitute from Skull, Open Approach
0NP00MZ	Removal of Bone Growth Stimulator from Skull, Open Approach
0NP00NZ	Removal of Neurostimulator Generator from Skull, Open Approach
0NP00SZ	Removal of Hearing Device from Skull, Open Approach

Showing 1–10 of 34

DRG Codes

29 rows

DRG Code	Description
023	Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
024	Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
025	Craniotomy and Endovascular Intracranial Procedures with MCC
026	Craniotomy and Endovascular Intracranial Procedures with CC
027	Craniotomy and Endovascular Intracranial Procedures without CC/MCC
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
143	Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC
144	Other Ear, Nose, Mouth and Throat O.R. Procedures with CC

Showing 1–10 of 29

Typical Clinical Scenarios

An elderly patient with a history of cranioplasty presents acutely with wound drainage, erythema, and exposed hardware after recent scalp dehiscence; inpatient admission is required for intravenous antibiotics and surgical management to control infection and remove the contaminated implant from the skull. A planned open removal of the internal fixation or synthetic bone flap is performed to eradicate the source of infection and allow for wound healing. Typical codes: 0NP004Z, 0NP00JZ
An adult trauma patient admitted urgently after a motor vehicle collision has a percutaneously placed cranial drainage catheter for subdural fluid collection that malfunctions and migrates, causing neurologic decline; the patient is taken to the OR for removal of the device and replacement under the same admission. The percutaneous removal of the drainage device from the skull is performed to resolve the complication and prevent further intracranial injury. Typical codes: 0NP030Z, 0NP000Z
A middle-aged patient with a previously implanted neurostimulator generator for chronic pain is scheduled for elective inpatient explantation because of loss of efficacy and planned device replacement; the operation is performed via an open approach to remove the generator and assess surrounding bone and soft tissue. The open removal documents planned explantation and allows for device analysis and revision planning. Typical codes: 0NP00NZ, 0NP00MZ

Related Codes

0NPB-NASAL-BONE-REMOVAL

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

0NPW-FACIAL-BONE-REMOVAL

ICD-10-PCS Code For Facial Bone: 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

34 rows

ICD-10-PCS Code	Description
0NP000Z	Removal of Drainage Device from Skull, Open Approach
0NP003Z	Removal of Infusion Device from Skull, Open Approach
0NP004Z	Removal of Internal Fixation Device from Skull, Open Approach
0NP005Z	Removal of External Fixation Device from Skull, Open Approach
0NP007Z	Removal of Autologous Tissue Substitute from Skull, Open Approach
0NP00JZ	Removal of Synthetic Substitute from Skull, Open Approach
0NP00KZ	Removal of Nonautologous Tissue Substitute from Skull, Open Approach
0NP00MZ	Removal of Bone Growth Stimulator from Skull, Open Approach
0NP00NZ	Removal of Neurostimulator Generator from Skull, Open Approach
0NP00SZ	Removal of Hearing Device from Skull, Open Approach

Showing 1–10 of 34

DRG Codes

29 rows

DRG Code	Description
023	Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
024	Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
025	Craniotomy and Endovascular Intracranial Procedures with MCC
026	Craniotomy and Endovascular Intracranial Procedures with CC
027	Craniotomy and Endovascular Intracranial Procedures without CC/MCC
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
143	Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC
144	Other Ear, Nose, Mouth and Throat O.R. Procedures with CC

Showing 1–10 of 29

Typical Clinical Scenarios

An elderly patient with a history of cranioplasty presents acutely with wound drainage, erythema, and exposed hardware after recent scalp dehiscence; inpatient admission is required for intravenous antibiotics and surgical management to control infection and remove the contaminated implant from the skull. A planned open removal of the internal fixation or synthetic bone flap is performed to eradicate the source of infection and allow for wound healing. Typical codes: 0NP004Z, 0NP00JZ
An adult trauma patient admitted urgently after a motor vehicle collision has a percutaneously placed cranial drainage catheter for subdural fluid collection that malfunctions and migrates, causing neurologic decline; the patient is taken to the OR for removal of the device and replacement under the same admission. The percutaneous removal of the drainage device from the skull is performed to resolve the complication and prevent further intracranial injury. Typical codes: 0NP030Z, 0NP000Z
A middle-aged patient with a previously implanted neurostimulator generator for chronic pain is scheduled for elective inpatient explantation because of loss of efficacy and planned device replacement; the operation is performed via an open approach to remove the generator and assess surrounding bone and soft tissue. The open removal documents planned explantation and allows for device analysis and revision planning. Typical codes: 0NP00NZ, 0NP00MZ

Related Codes

0NPB-NASAL-BONE-REMOVAL

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

0NPW-FACIAL-BONE-REMOVAL

ICD-10-PCS Code For Facial Bone: 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 Skull: Procedure Code Group Overview

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

Skull Removal Procedure Overview

Code Attributes

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

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

Skull Removal 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 0NP0 represent?

What types of devices or materials are listed in the 0NP0 code group?

How are different approaches reflected in the individual ICD-10-PCS codes in 0NP0?

Why is accurate coding within the 0NP0 group important for inpatient records?

Which DRGs may be related to procedures coded from the 0NP0 group?

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 0NP0 represent?

What types of devices or materials are listed in the 0NP0 code group?

How are different approaches reflected in the individual ICD-10-PCS codes in 0NP0?

Why is accurate coding within the 0NP0 group important for inpatient records?

Which DRGs may be related to procedures coded from the 0NP0 group?

References