LOINC Code 30156-4: Reticulocytes.aggregate/Erythrocytes (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 Reticulocytes.aggregate/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

What it does not mean

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

Key facts

• Reticulocytes.aggregate/Erythrocytes in Blood
• Reticulocytes.aggregate/Erythrocytes
• In cats there are two different types of reticulocytes seen in blood smears - aggregate and punctate. Aggregate reticulocytes are less mature and mature into punctate over the course of about 36 hours.
• Blood; Discocytes; Erthrocyte; Erythrocyte; Hematology; HEMATOLOGY/CELL COUNTS; Heme; Number Fraction; Percent; Point in time; Polychromatophilic red cells; QNT; Quan; Quant; Quantitative; Random; RBC; RBCS; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Retic; Retics; Retics Aggreg; Reticulocyte; Vet; Veterinary; 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