INDIANA CLINICAL
LABORATORY SCIENTIST
Exam Practice Questions
2026-2027 Edition
Verified Answers Plus Rationales
Q&A; | Instant Download PDF
EXAM SPECIFICATIONS
Time Allocation: 2.5 Hours
Total Questions: 100 Questions on State Exam
Question Format: Multiple Choice with Rationales
Minimum Competency: 70% Required to Pass
Core Focus: Hematology, Chemistry, Microbiology, Immunohematology
Indiana Clinical Laboratory Scientist Exam Prep 2026-2027 Page 1
, Exam Overview & Content Outline
EXAM PURPOSE
Indiana Clinical Laboratory Scientist (CLS) / Medical Laboratory Scientist (MLS) certification covers
clinical laboratory testing in hematology, clinical chemistry, microbiology, immunohematology,
immunology, and laboratory operations. Based on ASCP, AMT, and Indiana State Department of
Health requirements for clinical laboratory personnel.
CONTENT DISTRIBUTION
• Hematology & Coagulation (25%) — CBC, peripheral smear, anemias, leukemias, hemostasis,
PT/PTT, D-dimer
• Clinical Chemistry (25%) — Enzymes, electrolytes, glucose, lipids, cardiac markers, liver/kidney
function, TDM
• Microbiology (20%) — Bacteriology, mycology, parasitology, virology, culture, identification,
susceptibility, QC
• Immunohematology/Blood Bank (15%) — ABO/Rh, antibody screen/ID, crossmatch, transfusion
reactions, DAT
• Laboratory Operations & Safety (15%) — CLIA, quality control, quality assurance, safety,
phlebotomy, specimen handling
QUESTION FORMAT & SCORING
Each item presents four options. Correct answers are highlighted in green with checkmark (✓).
Every question includes detailed rationale with clinical laboratory standards. Indiana requires 70% to
pass CLS exam.
STUDY STRATEGY
Master normal reference ranges and critical values. Know blood cell morphology and identification.
Understand chemistry methodologies and interferences. Review microbiology culture and
susceptibility. Study blood bank procedures and transfusion reactions. Review CLIA regulations and
QC.
CURRICULUM ALIGNMENT
Questions reflect 2026-2027 standards: ASCP BOC, AMT, CLSI guidelines, CLIA 88 regulations,
Indiana State Department of Health, and CAP accreditation requirements for clinical laboratories.
Indiana Clinical Laboratory Scientist Exam Prep 2026-2027 Page 2
, Indiana Clinical Laboratory Scientist Exam Prep 2026-2027 Page 3
LABORATORY SCIENTIST
Exam Practice Questions
2026-2027 Edition
Verified Answers Plus Rationales
Q&A; | Instant Download PDF
EXAM SPECIFICATIONS
Time Allocation: 2.5 Hours
Total Questions: 100 Questions on State Exam
Question Format: Multiple Choice with Rationales
Minimum Competency: 70% Required to Pass
Core Focus: Hematology, Chemistry, Microbiology, Immunohematology
Indiana Clinical Laboratory Scientist Exam Prep 2026-2027 Page 1
, Exam Overview & Content Outline
EXAM PURPOSE
Indiana Clinical Laboratory Scientist (CLS) / Medical Laboratory Scientist (MLS) certification covers
clinical laboratory testing in hematology, clinical chemistry, microbiology, immunohematology,
immunology, and laboratory operations. Based on ASCP, AMT, and Indiana State Department of
Health requirements for clinical laboratory personnel.
CONTENT DISTRIBUTION
• Hematology & Coagulation (25%) — CBC, peripheral smear, anemias, leukemias, hemostasis,
PT/PTT, D-dimer
• Clinical Chemistry (25%) — Enzymes, electrolytes, glucose, lipids, cardiac markers, liver/kidney
function, TDM
• Microbiology (20%) — Bacteriology, mycology, parasitology, virology, culture, identification,
susceptibility, QC
• Immunohematology/Blood Bank (15%) — ABO/Rh, antibody screen/ID, crossmatch, transfusion
reactions, DAT
• Laboratory Operations & Safety (15%) — CLIA, quality control, quality assurance, safety,
phlebotomy, specimen handling
QUESTION FORMAT & SCORING
Each item presents four options. Correct answers are highlighted in green with checkmark (✓).
Every question includes detailed rationale with clinical laboratory standards. Indiana requires 70% to
pass CLS exam.
STUDY STRATEGY
Master normal reference ranges and critical values. Know blood cell morphology and identification.
Understand chemistry methodologies and interferences. Review microbiology culture and
susceptibility. Study blood bank procedures and transfusion reactions. Review CLIA regulations and
QC.
CURRICULUM ALIGNMENT
Questions reflect 2026-2027 standards: ASCP BOC, AMT, CLSI guidelines, CLIA 88 regulations,
Indiana State Department of Health, and CAP accreditation requirements for clinical laboratories.
Indiana Clinical Laboratory Scientist Exam Prep 2026-2027 Page 2
, Indiana Clinical Laboratory Scientist Exam Prep 2026-2027 Page 3
