LOINC Code 57021-8: CBC W Auto Differential panel (Bld)

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 Complete blood count W Auto Differential panel. It is commonly used with the system or sample type 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: Order
• Panel type: Panel

What it does not mean

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

Key facts

• CBC W Auto Differential panel - Blood
• Complete blood count W Auto Differential panel
• Auto Diff Pnl; Blood; CBC W Auto Diff; Diff; Diff Pnl; Differl; Differn; HEMATOLOGY/CELL COUNTS; Pan; PANEL.HEMATOLOGY& CELL COUNTS; Panl; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; UniversalLabOrders; 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