LOINC Code 86465-2: AST to platelet ratio index Calc (S+Bld) [Ratio]

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component AST to platelet ratio index. It is commonly used with the system or sample type Ser+Bld.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: Calculated

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• AST to platelet ratio index in Serum and Blood by calculation
• AST to platelet ratio index
• APRI; Blood; Both serum and blood; Calc; Calculation; Chemistry; Pl; Platelets; Platelt; Plt; Point in time; QNT; Quan; Quant; Quantitative; Random; Ratios; Rto; SerBld; Serum; Serum or whole blood; SR; Thrombocyte; Thrombocytes; WB; Whole blood

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions