C9790 HCPCS Level II Code: Histotripsy (i.e., non-thermal ablation via acoustic energy delivery) of malignant renal tissue, including image guidance

Contextual Map

Every relationship of C9790 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Nearest codes (40)

• C9757 — Laminotomy (hemilaminectomy), with decompression of nerve root(s), including partial facetectomy, foraminotomy and excision of herniated intervertebral disc, and repair of annular defect with implantation of bone anchored annular closure device, including annular defect measurement, alignment and sizing assessment, and image guidance; 1 interspace, lumbar[Sibling]— CMS HCPCS Level II code set
• C9758 — Blinded procedure for nyha class iii/iv heart failure; transcatheter implantation of interatrial shunt or placebo control, including right heart catheterization, trans-esophageal echocardiography (tee)/intracardiac echocardiography (ice), and all imaging with or without guidance (e.g., ultrasound, fluoroscopy), performed in an approved investigational device exemption (ide) study[Sibling]— CMS HCPCS Level II code set
• C9759 — Transcatheter intraoperative blood vessel microinfusion(s) (e.g., intraluminal, vascular wall and/or perivascular) therapy, any vessel, including radiological supervision and interpretation, when performed[Sibling]— CMS HCPCS Level II code set
• C9760 — Non-randomized, non-blinded procedure for nyha class ii, iii, iv heart failure; transcatheter implantation of interatrial shunt, including right and left heart catheterization, transeptal puncture, trans-esophageal echocardiography (tee)/intracardiac echocardiography (ice), and all imaging with or without guidance (e.g., ultrasound, fluoroscopy), performed in an approved investigational device exemption (ide) study[Sibling]— CMS HCPCS Level II code set
• C9761 — Cystourethroscopy, with ureteroscopy and/or pyeloscopy, with lithotripsy, and ureteral catheterization for steerable vacuum aspiration of the kidney, collecting system, ureter, bladder, and urethra if necessary, with use of steerable ureteral catheter or suction-integrated ureteroscope[Sibling]— CMS HCPCS Level II code set
• C9762 — Cardiac magnetic resonance imaging for morphology and function, quantification of segmental dysfunction; with strain imaging[Sibling]— CMS HCPCS Level II code set
• C9763 — Cardiac magnetic resonance imaging for morphology and function, quantification of segmental dysfunction; with stress imaging[Sibling]— CMS HCPCS Level II code set
• C9764 — Revascularization, endovascular, open or percutaneous, lower extremity artery(ies), except tibial/peroneal; with intravascular lithotripsy, includes angioplasty within the same vessel(s), when performed[Sibling]— CMS HCPCS Level II code set
• and 32 more

Change history (2)

• July 1, 2024 — Removed from the code set [Change history]— CMS release files (code change ledger)
• and 1 more

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, descriptors, coverage and pricing attributes Official source data

CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page

Change history and date-of-service validity Official source data

CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page

Comparisons, relationships and the contextual map MedCoder structured relationship

Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears

Summary and FAQ answers MedCoder explanation

Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Nearest Codes in This Family

Official HCPCS Level II classifications closest to C9790 in its code family, with their registry titles.

• C9785 — Endoscopic outlet reduction, gastric pouch application, with endoscopy and intraluminal tube insertion, if performed, including all system and tissue anchoring components
• C9786 — Echocardiography image post processing for computer aided detection of heart failure with preserved ejection fraction, including interpretation and report
• C9787 — Gastric electrophysiology mapping with simultaneous patient symptom profiling
• C9788 — Opto-acoustic imaging, breast (including axilla when performed), unilateral, with image documentation, analysis and report, obtained with ultrasound examination
• C9789 — Instillation of anti-neoplastic pharmacologic/biologic agent into renal pelvis, any method, including all imaging guidance, including volumetric measurement if performed
• C9791 — Magnetic resonance imaging with inhaled hyperpolarized xenon-129 contrast agent, chest, including preparation and administration of agent
• C9792 — Blinded or nonblinded procedure for symptomatic new york heart association (nyha) class ii, iii, iva heart failure; transcatheter implantation of left atrial to coronary sinus shunt using jugular…
• C9793 — 3d predictive model generation for pre-planning of a cardiac procedure, using data from cardiac computed tomographic angiography and/or magnetic resonance imaging with report
• C9794 — Therapeutic radiology simulation-aided field setting; complex, including acquisition of pet and ct imaging data required for radiopharmaceutical-directed radiation therapy treatment planning (i.e.,…
• C9795 — Stereotactic body radiation therapy, treatment delivery, per fraction to 1 or more lesions, including image guidance and real-time positron emissions-based delivery adjustments to 1 or more lesions,…