78630 Cerebrospinal fluid scan
Also known as: CSF scan, cerebrospinal fluid imaging
Cerebrospinal fluid imaging performed using nuclear medicine to assess cerebrospinal fluid flow and clearance.
In Plain Language
spinal fluid imaging; brain fluid flow test
Clinical Context
Evaluates cerebrospinal fluid flow dynamics, detects obstruction, and assesses normal pressure hydrocephalus.
RVU Breakdown
| Work RVU | 0.66 |
| Total RVU | 0.66 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 0.66, this code ranks in the 41st percentile among Radiology codes — 1.2x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 78630?
CPT 78630 (Cerebrospinal fluid scan) is a Radiology code. Cerebrospinal fluid imaging performed using nuclear medicine to assess cerebrospinal fluid flow and clearance.
Who uses CPT code 78630?
CPT 78630 is used by Nuclear Medicine, Neurology, Radiology. Evaluates cerebrospinal fluid flow dynamics, detects obstruction, and assesses normal pressure hydrocephalus.
When is CPT 78630 used?
Evaluates cerebrospinal fluid flow dynamics, detects obstruction, and assesses normal pressure hydrocephalus.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.