LOINC Code 18184-2: Erythrocyte 2H Westergren method (Bld) [Sedimentation Rate]

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 Erythrocyte. 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: Both
• Method: Westergren.2H reading

What it does not mean

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

Key facts

• Erythrocyte [Sedimentation Rate] in Blood by 2H Westergren method
• Erythrocyte
• 120 min; 120 minutes; 120min; 2 hours; Blood; Discocyte; Erc; Erythrocytes; HEMATOLOGY/CELL COUNTS; Point in time; QNT; Quan; Quant; Quantitative; Random; RBC; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Sed Rat; WB; Westerg; Westrgrn; Westrgrn 2h; 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