78191 Platelet survival study
Also known as: platelet survival study, platelet kinetics
Platelet survival study performed using nuclear medicine to measure platelet lifespan and detect thrombocytopenia etiology.
In Plain Language
platelet lifespan test; platelet survival measurement
Clinical Context
Evaluates platelet consumption versus production in thrombocytopenia, helps diagnose immune thrombocytopenia, and assesses platelet kinetics.
RVU Breakdown
| Work RVU | 0.59 |
| Total RVU | 0.59 |
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 0.59, this code ranks in the 38th percentile among Radiology codes — 1.4x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 78191?
CPT 78191 (Platelet survival study) is a Radiology code. Platelet survival study performed using nuclear medicine to measure platelet lifespan and detect thrombocytopenia etiology.
Who uses CPT code 78191?
CPT 78191 is used by Nuclear Medicine, Hematology, Radiology. Evaluates platelet consumption versus production in thrombocytopenia, helps diagnose immune thrombocytopenia, and assesses platelet kinetics.
When is CPT 78191 used?
Evaluates platelet consumption versus production in thrombocytopenia, helps diagnose immune thrombocytopenia, and assesses platelet kinetics.
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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.