Lower Extremity Lymphatics ICD-10-PCS Coding

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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group B70B includes procedures performed to capture plain radiographic images of lymphatic structures in the lower extremities. These ICD-10-PCS codes are used for inpatient documentation when radiographic evaluation of bilateral lower extremity lymphatics is performed to assess anatomy or pathology. Accurate coding within the ICD-10-PCS B70B group is essential for proper inpatient reimbursement, as it captures the imaging procedure performed and supports clinical documentation accuracy.

Customize your policy alerts

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

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Lower Extremity Lymphatics Plain Radiography Procedure Overview

This procedure group includes plain radiography of the lower extremity lymphatics, an imaging technique that captures images of lymphatic structures in both lower limbs using external ionizing radiation on photographic or photoconductive plates. These procedures target the lymphatic system and are used to evaluate lymphatic anatomy and pathology in the lower extremities. Accurate ICD-10-PCS coding ensures the inpatient record reflects the imaging performed and supports appropriate hospital reimbursement and case mix assignment.

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
7	Body System	Lymphatic System
0	Operation	Plain Radiography
B	Body Part	Lower Extremity Lymphatics, Bilateral

Character

ICD-10-PCS Category

Code Group Details

Section

Imaging

Body System

Lymphatic System

Operation

Plain Radiography

Body Part

Lower Extremity Lymphatics, Bilateral

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

Customize your policy alerts

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

Get alerted when relevant policies change without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Lower Extremity Lymphatics Plain Radiography Procedure Overview

Character	ICD-10-PCS Category	Code Group Details
B	Section	Imaging
7	Body System	Lymphatic System
0	Operation	Plain Radiography
B	Body Part	Lower Extremity Lymphatics, Bilateral

Character

ICD-10-PCS Category

Code Group Details

Section

Imaging

Body System

Lymphatic System

Operation

Plain Radiography

Body Part

Lower Extremity Lymphatics, Bilateral

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
B70B0ZZ	Plain Radiography of Bilateral Lower Extremity Lymphatics using High Osmolar Contrast
B70B1ZZ	Plain Radiography of Bilateral Lower Extremity Lymphatics using Low Osmolar Contrast
B70BYZZ	Plain Radiography of Bilateral Lower Extremity Lymphatics using Other Contrast

Typical Clinical Scenarios

An elderly patient admitted from the emergency department with rapidly progressing unilateral lower leg swelling and peau d'orange changes in both legs after recent cellulitis; the inpatient team orders bilateral lymphatic plain radiography with high osmolar contrast to delineate lymphatic obstruction and identify potential lymphatic leaks contributing to acute lymphedema. The study is performed to evaluate lymphatic channel patency and guide further inpatient management. Typical codes: B70B0ZZ
A middle-aged patient scheduled for inpatient diagnostic workup of chronic bilateral lower extremity lymphedema and recurrent nonhealing venous ulcers undergoes planned bilateral lymphatic plain radiography using low osmolar contrast to map lymphatic anatomy prior to targeted decongestive therapy during the admission. The imaging assists the care team in confirming chronic lymphatic insufficiency and documenting baseline anatomy. Typical codes: B70B1ZZ
A patient admitted with persistent postoperative swelling after bilateral lower extremity vascular surgery and suspected lymphatic leak undergoes bilateral lymphatic plain radiography with other contrast when prior standard contrast agents were contraindicated or nondiagnostic, to localize aberrant lymphatic channels or fistulae as part of the inpatient evaluation of this complication. The imaging helps determine the next steps in management of the surgical complication. Typical codes: B70BYZZ

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.

An elderly patient admitted from the emergency department with rapidly progressing unilateral lower leg swelling and peau d'orange changes in both legs after recent cellulitis; the inpatient team orders bilateral lymphatic plain radiography with high osmolar contrast to delineate lymphatic obstruction and identify potential lymphatic leaks contributing to acute lymphedema. The study is performed to evaluate lymphatic channel patency and guide further inpatient management. Typical codes: B70B0ZZ
A middle-aged patient scheduled for inpatient diagnostic workup of chronic bilateral lower extremity lymphedema and recurrent nonhealing venous ulcers undergoes planned bilateral lymphatic plain radiography using low osmolar contrast to map lymphatic anatomy prior to targeted decongestive therapy during the admission. The imaging assists the care team in confirming chronic lymphatic insufficiency and documenting baseline anatomy. Typical codes: B70B1ZZ
A patient admitted with persistent postoperative swelling after bilateral lower extremity vascular surgery and suspected lymphatic leak undergoes bilateral lymphatic plain radiography with other contrast when prior standard contrast agents were contraindicated or nondiagnostic, to localize aberrant lymphatic channels or fistulae as part of the inpatient evaluation of this complication. The imaging helps determine the next steps in management of the surgical complication. Typical codes: B70BYZZ

OpenPayer

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

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

Lower Extremity Lymphatics Plain Radiography Procedure Overview

Code Attributes

OpenPayer

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

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

Lower Extremity Lymphatics Plain Radiography 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 Lower Extremity Lymphatics: Procedure Code Group Overview

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

Lower Extremity Lymphatics Plain Radiography Procedure Overview

Code Attributes

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

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

Lower Extremity Lymphatics Plain Radiography Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the B70B ICD-10-PCS group?

What are the specific codes in this procedure group?

What is the primary purpose of these procedures?

In which ICD-10-PCS section and body system are these codes classified?

How do these codes affect inpatient documentation and reimbursement?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the B70B ICD-10-PCS group?

What are the specific codes in this procedure group?

What is the primary purpose of these procedures?

In which ICD-10-PCS section and body system are these codes classified?

How do these codes affect inpatient documentation and reimbursement?

References