84134 Assay of prealbumin
Also known as: prealbumin, transthyretin, nutritional marker
Quantitative assay of serum prealbumin (transthyretin), a short-half-life protein used as a nutritional status marker.
In Plain Language
protein nutrition test
Clinical Context
Evaluates nutritional status and protein malnutrition; more sensitive than albumin for short-term changes; used in hospital settings to assess feeding adequacy.
RVU Information
CPT 84134 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
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
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 84134?
CPT 84134 (Assay of prealbumin) is a Pathology & Lab code. Quantitative assay of serum prealbumin (transthyretin), a short-half-life protein used as a nutritional status marker.
Who uses CPT code 84134?
CPT 84134 is used by Clinical Chemistry, Pathology, Nutrition. Evaluates nutritional status and protein malnutrition; more sensitive than albumin for short-term changes; used in hospital settings to assess feeding adequacy.
When is CPT 84134 used?
Evaluates nutritional status and protein malnutrition; more sensitive than albumin for short-term changes; used in hospital settings to assess feeding adequacy.
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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.