88355 M/phmtrc alys skeletal muscle
Also known as: morphometric analysis skeletal muscle, muscle fiber analysis
Morphometric and photometric analysis of skeletal muscle tissue including fiber type identification, size, and pathologic changes.
In Plain Language
muscle fiber measurement and analysis; detailed muscle tissue examination
Clinical Context
Used in diagnosis of muscular dystrophies, inflammatory myopathies, and other neuromuscular disorders requiring quantitative muscle analysis.
RVU Breakdown
| Work RVU | 1.80 |
| Total RVU | 1.80 |
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 1.80, this code ranks in the 96th percentile among Pathology & Lab codes — 2.7x the median (0.68). The highest wRVU in this category is 2.78.
Specialties
Frequently Asked Questions
What is CPT code 88355?
CPT 88355 (M/phmtrc alys skeletal muscle) is a Pathology & Lab code. Morphometric and photometric analysis of skeletal muscle tissue including fiber type identification, size, and pathologic changes.
Who uses CPT code 88355?
CPT 88355 is used by Pathology, Neuropathology. Used in diagnosis of muscular dystrophies, inflammatory myopathies, and other neuromuscular disorders requiring quantitative muscle analysis.
When is CPT 88355 used?
Used in diagnosis of muscular dystrophies, inflammatory myopathies, and other neuromuscular disorders requiring quantitative muscle analysis.
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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.