88348 Electron microscopy diagnosis
Also known as: electron microscopy, EM, transmission electron microscopy
Electron microscopy examination of tissue for diagnostic assessment of ultrastructural features and disease pathology.
In Plain Language
high magnification tissue examination; ultra-detailed tissue analysis
Clinical Context
Used for diagnosis of renal disease, neuroendocrine tumors, metabolic disorders, and other conditions where ultrastructural analysis is diagnostic.
RVU Breakdown
| Work RVU | 1.47 |
| Total RVU | 1.47 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
With a work RVU of 1.47, this code ranks in the 89th percentile among Pathology & Lab codes — 2.2x the median (0.68). The highest wRVU in this category is 2.78.
Specialties
Frequently Asked Questions
What is CPT code 88348?
CPT 88348 (Electron microscopy diagnosis) is a Pathology & Lab code. Electron microscopy examination of tissue for diagnostic assessment of ultrastructural features and disease pathology.
Who uses CPT code 88348?
CPT 88348 is used by Pathology, Nephropathology. Used for diagnosis of renal disease, neuroendocrine tumors, metabolic disorders, and other conditions where ultrastructural analysis is diagnostic.
When is CPT 88348 used?
Used for diagnosis of renal disease, neuroendocrine tumors, metabolic disorders, and other conditions where ultrastructural analysis is diagnostic.
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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.