LOINC Code 77347-3: Beta-2 transferrin panel (S/P+CSF)

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 Beta-2 transferrin panel. It is commonly used with the system or sample type Ser/Plas+CSF.

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: Order
• Panel type: Panel

What it does not mean

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

Key facts

• Beta-2 transferrin panel - Serum or Plasma and CSF
• Beta-2 transferrin panel
• This test is ordered to compare the result for beta-2 transferrin in CSF (or unknown fluid from the nose or ear) to the result (pattern) in serum. The test is performed to identify the presence of beta-2 transferrin in a fluid where it is not expected due to surgery or trauma.
• B; B2 Transferrin; Beta-2 transferrin Pnl; Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; II; Pan; PANEL.CHEMISTRY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; Random; SerP; SerPl; SerPl+CSF; SerPlas; Serum; Serum or plasma; Siderophilin; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; SR; t fraction; Tf; Trf; TRFRN

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