LOINC Code 82477-1: Erythrocyte Photometric 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: Photometric

What it does not mean

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

Key facts

• Erythrocyte [Sedimentation Rate] in Blood by Photometric method
• Erythrocyte
• This testing utilizes a photometric rheoscope methodology to measure the most critical phase of the early-phase in phenomenon of red cell sedimentation, rouleaux formation, to produce ESR results. Results are provided in 20 seconds, and the answers are extrapolated to mm/hr.
• 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; 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