Combining form #1
Combining form #2
Lab Tests
Abbreviation
Vocabulary
100

Combining form meaning base

bas/o

100

combining form meaning blood

hem/o or hemat/o

100

PT

Prothrombin time

100

Fe

Iron

100

platelet

a small blood fragment that is necessary for clotting

200

Combining form meaning cell

cyt/o

200

combining form meaning same; equal

is/o

200

RBC

Red blood count

200

hct

hematocrite

200

bilirubin

orange-yellow pigment in bile; formed by breakdown of hemoglobin when RBCs are destroyed

300

Combining form meaning clotting

coagul/o

300

Combining form meaning to eat, swallo

phag/o

300

WBC

White blood count

300

h and h

hemoglobin and hematocrite

300

erythroblast

an immature red blood cell

400

combining form meaning red

erythr/o

400

combining form meaning iron

sider/o

400

CBC

Complete blood count

400

WNL

within normal limits

400

fibrin

protein that forms the basis of a blood clot

500

Combining form meaning color

chrom/o

500

Combining form meaning clot

thromb/o

500

ESR

Erythrocyte sedimentation rate

500

AML

acute myeloid leukemia 

500

globulin

plasma protein

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