78232 Salivary gland function std
Also known as: salivary flow study, salivary function test
Salivary gland function study performed to quantify salivary secretion rate and gland reserve capacity.
In Plain Language
salivary production test; spit flow study
Clinical Context
Quantifies salivary secretion response to stimulation. Diagnoses xerostomia, Sjögren syndrome, and post-radiation salivary dysfunction.
RVU Breakdown
| Work RVU | 0.46 |
| Total RVU | 0.46 |
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 0.46, this code ranks in the 26th percentile among Radiology codes — 1.8x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 78232?
CPT 78232 (Salivary gland function std) is a Radiology code. Salivary gland function study performed to quantify salivary secretion rate and gland reserve capacity.
Who uses CPT code 78232?
CPT 78232 is used by Nuclear Medicine, Otolaryngology, Radiology. Quantifies salivary secretion response to stimulation. Diagnoses xerostomia, Sjögren syndrome, and post-radiation salivary dysfunction.
When is CPT 78232 used?
Quantifies salivary secretion response to stimulation. Diagnoses xerostomia, Sjögren syndrome, and post-radiation salivary dysfunction.
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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.