A Guide to Podiatry Ultrasound CPT Codes: 76882 CPT Code & More

Podiatry practices in Oregon are lately concerned with the rising denial rates. Mainly, the high denial graph mirrors the strict routine foot care Medicare standards. Another contributing factor can be state-level workers’ compensation, which affects the overall claim rate. Practices register claim denials left, right, and center due to misused modifiers, no routine footcare coverage, and a lack of medical necessity. Besides the factors above, a correct use of podiatry ultrasound CPT codes is essential. 

The following blog covers a careful examination of all codes in the podiatry practice, and a detailed study of podiatry ultrasound CPT codes, 76881 and 76882.

What are the Common Podiatry Ultrasound CPT Codes List

Billing and coding for podiatry practices may differ globally. Even states across the United States have specific codes adhered by their respective practices. At this point in 2026, the International Classification of Health Interventions (ICHI) is yet to move from its beta stage. It is still not formally approved everywhere, awaiting final WHO reference. 

However, it is not rejected or disapproved but considered as “work in progress”. CMS suggests podiatry practices use different billing codes until ICHI is formally approved. Healthcare providers use the following podiatry ultrasound CPT codes, adhering to the latest CMS guidelines.

CPT Code 76881

The following code represents a complete ultrasound of an Extremity Joint (Nonvascular). By complete, the documents must include:

• Evaluation of the joint space
• Peri-aticular soft-tissue structures
• Abnormalities
• Image records and written reports

The CPT code 76881 is used for specific joints such as the knee, shoulder, and ankle. It is to locate and diagnose issues like tendonitis or effusion. Practices may bill the following code for separate joints during a single session. However, you must apply anatomical modifiers (two-character codes).

CPT Code 76882

This code contradicts CPT code 76881. It refers to a limited ultrasound (nonvascular). This is used for different extremity structures such as soft-tissue mass, muscle, and tendon, etc. Unlike the comprehensive exam code (76881), the CPT code 76882 is focused and billed per extremity. 

CPT Code 93922

This is described as limited and bilateral. CPT code 93922 is used for a non-invasive physiological study of upper or lower extremity arteries. The following test evaluates:

• Peripheral artery disease (PAD)
• Vascular Blockages
• Blood circulation and  flow at 1-2 levels, i.e., ankle-brachial indices (ABI)

This code includes ABI, Doppler waveform recording, and offers bilateral study, applying to both limbs. The documentation requires permanently recorded images and a written hardcopy for billing eligibility. 

CPT Code 93926

The following podiatry ultrasound CPT code refers to a duplex scan of lower extremity arteries or arterial bypass grafts. It is unilateral or limited. The code requires:

• Both color flow Doppler
• Spectral Analysis
• Waveform Analysis
• Peak systolic velocity

Your practice can bill the CPT code 93926 if there is a suspected blockage, such as an occlusion or severe leg pain while walking, also known as Claudication. This code is used for a single extremity, and you cannot bill for the complete bilateral study.

CPT Codes 20552, 20553, 20605, and 20610

The following podiatry CPT codes refer to pain management and trigger point injections. Whereas, CPT codes 20600-20610 are used for joint injections.

CPT Codes 20552 and 20553

Practices use these codes for any combination of trigger point injections. When the procedure requires a single or multiple trigger points and 1 or 2 muscles are involved, practitioners use CPT code 20552. 

However, the diagnosis has to involve a single or multiple trigger points and 3 or more muscles. If your practice bills these codes for more than 3 times within a 90-day period for the same anatomic site, and the medical necessity is absent, the claim will be denied. 

CPT Codes 20600-20610

CPT codes for podiatric ultrasound 20600-20610 are defined for joint puncture and injection of a minor joint or bursa without the use of ultrasound guidance.

The CPT code 20600 is considered a relatively routine musculoskeletal procedure. Furthermore, CPT code 20605 is for intermediate joints or bursae such as the wrist, elbow, and ankle joints. CPT code 20610 is assigned for major joints or bursae like the shoulder, hip, and knee joints.

Billing Guidelines and Modifiers

Modifiers for Laterality

If you are charging for ultrasounds performed unilaterally, be certain to add the proper laterality modifier to the ultrasound code. For the right side, use RT; for the left side, use LT. A claim denial might be imminent if the right lateral modifiers are missing. 

Requisites for Image Documentation

Both 76881 and 76882 codes require the documentation of the images in a permanent manner. An interpretation report from the interpreting practitioner should also be documented in writing, which is then kept in the medical records of the patient. Since the claims cannot be processed without documentation, ensuring their availability before the submission of claims is vital.

Considerations Related to Injection Guidance Coding and Bundling

The CPT code 76942 is frequently coded in conjunction with injection codes to describe ultrasonic guidance performed during the procedure. Nonetheless, some insurance companies have limitations on using these codes together. For instance, Medicare (CMS) and Anthem will either reject or bundle CPT code 76942 when billed along with certain injection codes like 20604 or 20605. One must check the coverage rules of the insurer before using the two codes together.

Modifiers Specific to Medicare Carriers

While some carriers require the use of the ZP modifier when 76942 services are provided by doctors who do not work in a hospital-based environment, it should be noted that not all Medicare carriers require the use of this modifier, nor do they require this in all locations. Therefore, it is vital to determine what each individual carrier requires before submission of any claims. Non-use of the required modifier results in rejection, while misuse may cause investigation.

Conclusion

Correct application of the coding guidelines for podiatry ultrasound CPT codes ensures that you will get paid for the procedure or not. From recognizing the difference between comprehensive (76881) and partial (76882) examinations to using the proper laterality modifiers, all details play a part. 

The situation is further complicated for Oregon podiatry providers by the state’s workers’ compensation policies and the strict Medicare guidelines regarding routine foot care. At Oregon Medical Billing, your practice partners up with a locally experienced billing team. Our coders keep up to date on payer-specific bundling limitations, especially 76942, and ensure your carrier’s specific requirements before submission to safeguard your bottom line. 

FAQ

What is the CPT code for an ultrasound of the foot?

76881 (complete joint) and 76882 (limited structure) are the two common CPT code for ultrasound of the foot.

What is the difference between 76881 and 76882?

They key difference is the nature of a complete and limited non-vascular extremity ultrasounds.

What is CPT code 93975 for ultrasound?

CPT code 93975 refers to a duplex scan of the arterial inflow and venous outflow of the abdomen, retroperitoneum, scrotal contents and/or pelvic organs

When to use D8080 vs D8090?

D8090 is exclusively intended for patients who have fully erupted permanent dentition.