Question 1

What is HCPCS code C9790?

Accepted Answer

HCPCS code C9790 is "Kidney histotripsy w/image". Histotripsy (i.e., non-thermal ablation via acoustic energy delivery) of malignant renal tissue, including image guidance

Question 2

What category is C9790 in?

Accepted Answer

C9790 belongs to HCPCS Category C (CMS Hospital Outpatient Payment).

Question 3

When should I use HCPCS code C9790?

Accepted Answer

Use C9790 when billing for kidney histotripsy w/image. HCPCS Level II codes like this are used for items and services not covered by CPT codes, including medical supplies, equipment, drugs administered in clinical settings, and certain healthcare services.

Question 4

Is C9790 covered by Medicare?

Accepted Answer

Coverage for C9790 (Kidney histotripsy w/image) depends on medical necessity and specific Medicare guidelines. Check the applicable Local Coverage Determination (LCD) or National Coverage Determination (NCD) for detailed coverage criteria. Private insurers may have different coverage policies.

Question 5

What documentation is required for C9790?

Accepted Answer

Documentation for C9790 should include: the medical necessity for the item or service, supporting diagnosis codes (ICD-10), prescription or order from the treating physician, and proof that the item meets quality standards. Some items may require additional documentation like a Certificate of Medical Necessity (CMN).