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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group C75N includes procedures performed to introduce radioactive materials or use a nonimaging nuclear medicine probe in lymphatics of the upper extremity. These ICD-10-PCS codes are used for inpatient documentation when a diagnostic or functional assessment of upper extremity lymphatics is performed using radiotracers or detection of radioactive emissions. Accurate coding within the ICD-10-PCS C75N group is essential for proper inpatient reimbursement, as it captures the specific nonimaging nuclear medicine probe procedure performed and supports clinical documentation accuracy.

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Lymphatics Upper Extremity Nonimaging Nuclear Medicine Probe Procedure Overview

Procedures in this ICD-10-PCS group involve introducing radioactive materials or using a nonimaging nuclear medicine probe to assess lymphatic structures in the upper extremity and the lymphatic and hematologic system. These nonimaging nuclear medicine probe procedures detect radioactive emissions to study distribution and fate of substances or measure absorption from an external source in upper extremity lymphatics. Accurate coding reflects the specific operation and body part targeted and supports correct inpatient reimbursement and clinical documentation. Precise code selection ensures the procedure is represented for quality reporting and payment purposes.

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
N	Body Part	Lymphatics, Upper Extremity

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

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Lymphatics Upper Extremity 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
N	Body Part	Lymphatics, Upper Extremity

When to Use

Use codes from this group when a nonimaging nuclear medicine probe or radiotracer is used to assess drainage, sentinel node mapping, or other functional studies of upper extremity lymphatics. Assign these codes when the inpatient procedure specifically targets the lymphatics of the upper extremity and the operation is nonimaging nuclear medicine probe.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
C75N1ZZ	Nonimaging Nuclear Medicine Probe of Upper Extremity Lymphatics using Technetium 99m (Tc-99m)
C75NYZZ	Nonimaging Nuclear Medicine Probe of Upper Extremity Lymphatics using Other Radionuclide

Typical Clinical Scenarios

An elderly patient admitted for staging after newly diagnosed upper-extremity melanoma with palpable axillary nodes undergoes inpatient sentinel lymph node mapping to identify lymphatic drainage from the affected forearm lesion prior to planned surgical excision; a nonimaging nuclear medicine probe is used after perilesional injection of radiotracer to detect sentinel node activity in the upper extremity lymphatic channels. Typical codes: C75N1ZZ, C75NYZZ
A middle-aged patient with chronic lymphedema of the arm following prior breast cancer therapy is hospitalized for functional assessment after worsening swelling and cellulitis; inpatient evaluation includes nonimaging probe study using a radionuclide tracer to map lymphatic flow and confirm sites of obstruction guiding conservative and potential interventional management. Typical codes: C75N1ZZ, C75NYZZ
An inpatient with a traumatic forearm soft-tissue injury and concern for disrupted lymphatic channels after debridement is referred for intraoperative or bedside nonimaging nuclear probe assessment using technetium-99m to localize residual lymphatic leakage or disrupted drainage prior to reconstruction. Typical codes: C75N1ZZ

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

C75K-NECK-NONIMAGING-PROBE

ICD-10-PCS Code For Neck: 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

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
C75N1ZZ	Nonimaging Nuclear Medicine Probe of Upper Extremity Lymphatics using Technetium 99m (Tc-99m)
C75NYZZ	Nonimaging Nuclear Medicine Probe of Upper Extremity Lymphatics using Other Radionuclide

Typical Clinical Scenarios

An elderly patient admitted for staging after newly diagnosed upper-extremity melanoma with palpable axillary nodes undergoes inpatient sentinel lymph node mapping to identify lymphatic drainage from the affected forearm lesion prior to planned surgical excision; a nonimaging nuclear medicine probe is used after perilesional injection of radiotracer to detect sentinel node activity in the upper extremity lymphatic channels. Typical codes: C75N1ZZ, C75NYZZ
A middle-aged patient with chronic lymphedema of the arm following prior breast cancer therapy is hospitalized for functional assessment after worsening swelling and cellulitis; inpatient evaluation includes nonimaging probe study using a radionuclide tracer to map lymphatic flow and confirm sites of obstruction guiding conservative and potential interventional management. Typical codes: C75N1ZZ, C75NYZZ
An inpatient with a traumatic forearm soft-tissue injury and concern for disrupted lymphatic channels after debridement is referred for intraoperative or bedside nonimaging nuclear probe assessment using technetium-99m to localize residual lymphatic leakage or disrupted drainage prior to reconstruction. Typical codes: C75N1ZZ

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

C75K-NECK-NONIMAGING-PROBE

ICD-10-PCS Code For Neck: 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

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 Lymphatics Upper Extremity: Procedure Code Group Overview

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Lymphatics Upper Extremity Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Lymphatics Upper Extremity: Procedure Code Group Overview policy alerts

Lymphatics Upper Extremity 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 Lymphatics Upper Extremity: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Lymphatics Upper Extremity: Procedure Code Group Overview policy alerts

Lymphatics Upper Extremity Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Lymphatics Upper Extremity: Procedure Code Group Overview policy alerts

Lymphatics Upper Extremity Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are captured in ICD-10-PCS code group C75N?

What are the specific codes included in this group?

What section and body system do these ICD-10-PCS codes belong to?

Why is accurate coding within C75N important for inpatient documentation?

Does the C75N group specify the type of radionuclide used?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are captured in ICD-10-PCS code group C75N?

What are the specific codes included in this group?

What section and body system do these ICD-10-PCS codes belong to?

Why is accurate coding within C75N important for inpatient documentation?

Does the C75N group specify the type of radionuclide used?

References