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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group C75K includes procedures performed to detect radioactive emissions from the lymphatics in the neck using a nonimaging nuclear medicine probe. These ICD-10-PCS codes are used for inpatient documentation when a nonimaging nuclear medicine probe is introduced to localize lymphatic channels or sentinel nodes or to assess radioactive tracer distribution in the neck. Accurate coding within the ICD-10-PCS C75K group is essential for proper inpatient reimbursement, as it captures the specific procedure performed and supports clinical documentation accuracy.

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Neck Nonimaging Nuclear Medicine Probe Procedure Overview

Procedures in this group involve the introduction and use of a nonimaging nuclear medicine probe in the lymphatics of the neck to detect radioactive emissions and evaluate lymphatic distribution and function. These procedures target the lymphatic and hematologic system within the neck and are performed to localize lymphatic channels or sentinel nodes and assess tracer uptake. Accurate ICD-10-PCS coding for these procedures ensures correct inpatient documentation and supports appropriate case mix designation and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
7	Body System	Lymphatic and Hematologic System
5	Operation	Nonimaging Nuclear Medicine Probe
K	Body Part	Lymphatics, Neck

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

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Neck Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
7	Body System	Lymphatic and Hematologic System
5	Operation	Nonimaging Nuclear Medicine Probe
K	Body Part	Lymphatics, Neck

When to Use

Use a code from this group when a nonimaging nuclear medicine probe is introduced into the neck lymphatics to localize lymphatic channels, sentinel lymph nodes, or to assess radioactive tracer uptake. These codes apply when the procedure is performed during an inpatient encounter and the probe is used to detect emissions rather than to produce diagnostic images.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
C75K1ZZ	Nonimaging Nuclear Medicine Probe of Neck Lymphatics using Technetium 99m (Tc-99m)
C75KYZZ	Nonimaging Nuclear Medicine Probe of Neck Lymphatics using Other Radionuclide

Typical Clinical Scenarios

An elderly patient with newly diagnosed cutaneous squamous cell carcinoma of the lower face is admitted for wide local excision with planned sentinel lymph node mapping to assess occult cervical lymphatic spread. A radiolabeled tracer (commonly Tc-99m) is injected preoperatively and a nonimaging nuclear medicine probe is introduced into the neck lymphatic region intraoperatively to detect sentinel node radioactivity and guide selective neck dissection. Typical codes: C75K1ZZ
A middle-aged patient presents urgently after a rapidly enlarging, suspicious lateral neck mass with concern for metastatic melanoma; inpatient workup includes intraoperative localization of involved cervical lymphatic channels to direct targeted biopsy and possible removal. During the operative procedure, a nonimaging nuclear medicine probe is used in the neck to detect uptake of an injected radionuclide and localize radioactive lymph nodes for sampling. Typical codes: C75K1ZZ, C75KYZZ
A patient with recurrent papillary thyroid cancer and prior neck surgery is scheduled for reoperative cervical lymphadenectomy to evaluate persistent disease; scarred anatomy limits visual identification of residual sentinel nodes so a nonimaging probe is used to detect tracer accumulation in neck lymphatics intraoperatively. The probe introduced into the neck lymphatic region helps localize nodes in altered surgical planes to guide resection. Typical codes: C75KYZZ

ICD-10-PCS Code For Lymphatics, Head And Neck: Procedure Code Group Overview

C75D-LYMPHATICS-PELVIC-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics Pelvic: Procedure Code Group Overview

C75J-LYMPHATICS-HEAD-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics Head: Procedure Code Group Overview

C75L-LYMPHATICS-UPPER-CHEST-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics, Upper Chest: Procedure Code Group Overview

C75M-LYMPHATICS-TRUNK-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics Trunk: Procedure Code Group Overview

C75N-LYMPHATICS-UPPER-EXTREMITY-PROBE

ICD-10-PCS Code For Lymphatics Upper Extremity: Procedure Code Group Overview

C75P-LYMPHATICS-LOWER-EXTREMITY-NONIMAGING

ICD-10-PCS Code For Lymphatics, Lower Extremity: Procedure Code Group Overview

C75Y-LYMPHATIC-HEMATOLOGIC-INTRODUCTION-LYMPHATIC-AND-HEMATOLOGIC

ICD-10-PCS Code For Lymphatic And Hematologic System: 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
C75K1ZZ	Nonimaging Nuclear Medicine Probe of Neck Lymphatics using Technetium 99m (Tc-99m)
C75KYZZ	Nonimaging Nuclear Medicine Probe of Neck Lymphatics using Other Radionuclide

Typical Clinical Scenarios

An elderly patient with newly diagnosed cutaneous squamous cell carcinoma of the lower face is admitted for wide local excision with planned sentinel lymph node mapping to assess occult cervical lymphatic spread. A radiolabeled tracer (commonly Tc-99m) is injected preoperatively and a nonimaging nuclear medicine probe is introduced into the neck lymphatic region intraoperatively to detect sentinel node radioactivity and guide selective neck dissection. Typical codes: C75K1ZZ
A middle-aged patient presents urgently after a rapidly enlarging, suspicious lateral neck mass with concern for metastatic melanoma; inpatient workup includes intraoperative localization of involved cervical lymphatic channels to direct targeted biopsy and possible removal. During the operative procedure, a nonimaging nuclear medicine probe is used in the neck to detect uptake of an injected radionuclide and localize radioactive lymph nodes for sampling. Typical codes: C75K1ZZ, C75KYZZ
A patient with recurrent papillary thyroid cancer and prior neck surgery is scheduled for reoperative cervical lymphadenectomy to evaluate persistent disease; scarred anatomy limits visual identification of residual sentinel nodes so a nonimaging probe is used to detect tracer accumulation in neck lymphatics intraoperatively. The probe introduced into the neck lymphatic region helps localize nodes in altered surgical planes to guide resection. Typical codes: C75KYZZ

ICD-10-PCS Code For Lymphatics, Head And Neck: Procedure Code Group Overview

C75D-LYMPHATICS-PELVIC-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics Pelvic: Procedure Code Group Overview

C75J-LYMPHATICS-HEAD-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics Head: Procedure Code Group Overview

C75L-LYMPHATICS-UPPER-CHEST-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics, Upper Chest: Procedure Code Group Overview

C75M-LYMPHATICS-TRUNK-NONIMAGING-PROBE

ICD-10-PCS Code For Lymphatics Trunk: Procedure Code Group Overview

C75N-LYMPHATICS-UPPER-EXTREMITY-PROBE

ICD-10-PCS Code For Lymphatics Upper Extremity: Procedure Code Group Overview

C75P-LYMPHATICS-LOWER-EXTREMITY-NONIMAGING

ICD-10-PCS Code For Lymphatics, Lower Extremity: Procedure Code Group Overview

C75Y-LYMPHATIC-HEMATOLOGIC-INTRODUCTION-LYMPHATIC-AND-HEMATOLOGIC

ICD-10-PCS Code For Lymphatic And Hematologic System: 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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ICD-10-PCS Code For Neck: Procedure Code Group Overview

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Neck Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

OpenPayer

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

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Neck Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

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

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

Neck Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

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

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

Neck Nonimaging Nuclear Medicine Probe 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 C75K?

What are the individual ICD-10-PCS codes in this group and how are they specified?

Under which ICD-10-PCS section and body system are these procedures classified?

When should these ICD-10-PCS codes be used for inpatient documentation?

Why is accurate coding for the C75K group important for reimbursement?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group C75K?

What are the individual ICD-10-PCS codes in this group and how are they specified?

Under which ICD-10-PCS section and body system are these procedures classified?

When should these ICD-10-PCS codes be used for inpatient documentation?

Why is accurate coding for the C75K group important for reimbursement?

References