LOINC Code 33057-1: Heinz bodies/Erythrocytes LM (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 Heinz bodies/Erythrocytes. 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: Observation
• Method: Microscopy.light

What it does not mean

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

Key facts

• Heinz bodies/Erythrocytes in Blood by Light microscopy
• Heinz bodies/Erythrocytes
• Blood; bod; Body; Discocytes; Erthrocyte; Erythrocyte; HEMATOLOGY/CELL COUNTS; LM; Micro; Micros; Microscopic; Number fraction; Percent; Point in time; Precipitated Hemoglobin H; QNT; Quan; Quant; Quantitative; Random; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; 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