85540 Wbc alkaline phosphatase
Pathology & Lab
Also known as: LAP score, leukocyte alkaline phosphatase
Measurement of leukocyte alkaline phosphatase (LAP) activity in white blood cells using histochemical staining and microscopy to assess neutrophil activation status.
Clinical Context
Differentiates chronic myeloid leukemia (low LAP) from leukemoid reaction (high LAP); largely replaced by cytogenetics and molecular testing.
RVU Breakdown
| Work RVU | 0.00 |
| Practice Expense RVU | 0.00 |
| Malpractice RVU | 0.00 |
| Total RVU | 0.00 |
Specialties
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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.