CLIA COMPLIANCE: CLINICAL LABORATORY IMPROVEMENT AMENDMENTS
COMPLETE EXAM QUESTIONS AND 100% VERIFIED ANSWERS (PASS
GUARANTEE) 2026/2027
Q1. What does CLIA stand for?
ANSWER Clinical Laboratory Improvement Amendments.
Q2. When was CLIA enacted?
ANSWER CLIA was enacted by Congress in 1988.
Q3. Which federal agency enforces CLIA regulations?
ANSWER The Centers for Medicare & Medicaid Services (CMS) is the
primary enforcer of CLIA regulations.
Q4. Which other agencies are involved in CLIA oversight?
ANSWER The CDC and the FDA work with CMS to develop and
enforce CLIA regulations.
Q5. What is the primary purpose of CLIA?
ANSWER To ensure the accuracy, reliability, and timeliness of patient
test results from all clinical laboratories in the United States.
Q6. What types of laboratories are subject to CLIA?
ANSWER Any facility that performs testing on human specimens for
health assessment or diagnosis, prevention, or treatment of disease.
CLIA Compliance — 300 Q&A | Page 1
,Q7. Are physician office laboratories (POLs) subject to CLIA?
ANSWER Yes, physician office laboratories that perform testing on
human specimens are subject to CLIA requirements.
Q8. Are research laboratories exempt from CLIA?
ANSWER Yes, laboratories that perform testing only for research
purposes and do not report patient-specific results are exempt from
CLIA.
Q9. What is a CLIA certificate?
ANSWER A CLIA certificate is a document issued by CMS that
authorizes a laboratory to legally perform clinical testing on human
specimens.
Q10. How long is a CLIA certificate valid?
ANSWER A CLIA certificate is valid for two years.
Q11. What are the five types of CLIA certificates?
ANSWER Certificate of Waiver, Certificate for Provider-Performed
Microscopy (PPM), Certificate of Registration, Certificate of Compliance,
and Certificate of Accreditation.
Q12. What is a Certificate of Waiver?
ANSWER A Certificate of Waiver authorizes a laboratory to perform
only waived tests, which are simple tests with low risk for error.
Q13. What is a Certificate for Provider-Performed Microscopy
(PPM)?
ANSWER A PPM certificate authorizes a practitioner to perform
specific microscopy procedures during a patient's visit using a
microscope.
CLIA Compliance — 300 Q&A | Page 2
,Q14. What is a Certificate of Compliance?
ANSWER A Certificate of Compliance is issued after a CMS survey
confirming the laboratory meets all CLIA requirements.
Q15. What is a Certificate of Accreditation?
ANSWER A Certificate of Accreditation is issued when a laboratory is
accredited by a CMS-approved accreditation organization (e.g., CAP,
TJC).
Q16. Can a laboratory perform testing before receiving a CLIA
certificate?
ANSWER No. A laboratory must obtain the appropriate CLIA certificate
before it can legally perform patient testing.
Q17. What is deeming authority in CLIA?
ANSWER Deeming authority means a CMS-approved accreditation
organization's standards are deemed equivalent to CLIA requirements,
so accredited labs may not require separate CMS inspections.
Q18. Name four CMS-approved accreditation organizations under
CLIA.
ANSWER College of American Pathologists (CAP), The Joint
Commission (TJC), AAAHC, and COLA.
Q19. What is the CLIA ID number?
ANSWER A unique identification number assigned by CMS to each
certified laboratory, used for regulatory tracking and billing.
Q20. What happens if a laboratory performs testing without a CLIA
certificate?
ANSWER The laboratory may be subject to civil monetary penalties,
suspension, revocation of Medicare/Medicaid billing privileges, and
criminal penalties.
CLIA Compliance — 300 Q&A | Page 3
, Test Complexity Categories
Q21. What are the three categories of test complexity under CLIA?
ANSWER Waived tests, moderate-complexity tests, and high-
complexity tests.
Q22. How does the FDA categorize laboratory tests?
ANSWER The FDA categorizes tests based on the risk of an incorrect
result and the complexity of performing the test.
Q23. What criteria does the FDA use to determine test complexity?
ANSWER Seven criteri ANSWER knowledge, training, reagent and
material preparation, characteristics of operational steps,
calibration/QC/proficiency testing, troubleshooting and equipment
maintenance, and interpretation and judgment.
Q24. Give three examples of waived tests.
ANSWER Urine dipstick, urine pregnancy tests, blood glucose
monitoring, and rapid strep A tests are common waived tests.
Q25. Give three examples of moderate-complexity tests.
ANSWER Urinalysis by microscopy, complete blood count (CBC), and
most routine chemistry panels are moderate-complexity.
Q26. Give two examples of high-complexity tests.
ANSWER Cytogenetics, flow cytometry, most molecular tests, and
manual cell differentials are high-complexity tests.
Q27. What is PPM (Provider-Performed Microscopy) and what tests
does it include?
CLIA Compliance — 300 Q&A | Page 4
COMPLETE EXAM QUESTIONS AND 100% VERIFIED ANSWERS (PASS
GUARANTEE) 2026/2027
Q1. What does CLIA stand for?
ANSWER Clinical Laboratory Improvement Amendments.
Q2. When was CLIA enacted?
ANSWER CLIA was enacted by Congress in 1988.
Q3. Which federal agency enforces CLIA regulations?
ANSWER The Centers for Medicare & Medicaid Services (CMS) is the
primary enforcer of CLIA regulations.
Q4. Which other agencies are involved in CLIA oversight?
ANSWER The CDC and the FDA work with CMS to develop and
enforce CLIA regulations.
Q5. What is the primary purpose of CLIA?
ANSWER To ensure the accuracy, reliability, and timeliness of patient
test results from all clinical laboratories in the United States.
Q6. What types of laboratories are subject to CLIA?
ANSWER Any facility that performs testing on human specimens for
health assessment or diagnosis, prevention, or treatment of disease.
CLIA Compliance — 300 Q&A | Page 1
,Q7. Are physician office laboratories (POLs) subject to CLIA?
ANSWER Yes, physician office laboratories that perform testing on
human specimens are subject to CLIA requirements.
Q8. Are research laboratories exempt from CLIA?
ANSWER Yes, laboratories that perform testing only for research
purposes and do not report patient-specific results are exempt from
CLIA.
Q9. What is a CLIA certificate?
ANSWER A CLIA certificate is a document issued by CMS that
authorizes a laboratory to legally perform clinical testing on human
specimens.
Q10. How long is a CLIA certificate valid?
ANSWER A CLIA certificate is valid for two years.
Q11. What are the five types of CLIA certificates?
ANSWER Certificate of Waiver, Certificate for Provider-Performed
Microscopy (PPM), Certificate of Registration, Certificate of Compliance,
and Certificate of Accreditation.
Q12. What is a Certificate of Waiver?
ANSWER A Certificate of Waiver authorizes a laboratory to perform
only waived tests, which are simple tests with low risk for error.
Q13. What is a Certificate for Provider-Performed Microscopy
(PPM)?
ANSWER A PPM certificate authorizes a practitioner to perform
specific microscopy procedures during a patient's visit using a
microscope.
CLIA Compliance — 300 Q&A | Page 2
,Q14. What is a Certificate of Compliance?
ANSWER A Certificate of Compliance is issued after a CMS survey
confirming the laboratory meets all CLIA requirements.
Q15. What is a Certificate of Accreditation?
ANSWER A Certificate of Accreditation is issued when a laboratory is
accredited by a CMS-approved accreditation organization (e.g., CAP,
TJC).
Q16. Can a laboratory perform testing before receiving a CLIA
certificate?
ANSWER No. A laboratory must obtain the appropriate CLIA certificate
before it can legally perform patient testing.
Q17. What is deeming authority in CLIA?
ANSWER Deeming authority means a CMS-approved accreditation
organization's standards are deemed equivalent to CLIA requirements,
so accredited labs may not require separate CMS inspections.
Q18. Name four CMS-approved accreditation organizations under
CLIA.
ANSWER College of American Pathologists (CAP), The Joint
Commission (TJC), AAAHC, and COLA.
Q19. What is the CLIA ID number?
ANSWER A unique identification number assigned by CMS to each
certified laboratory, used for regulatory tracking and billing.
Q20. What happens if a laboratory performs testing without a CLIA
certificate?
ANSWER The laboratory may be subject to civil monetary penalties,
suspension, revocation of Medicare/Medicaid billing privileges, and
criminal penalties.
CLIA Compliance — 300 Q&A | Page 3
, Test Complexity Categories
Q21. What are the three categories of test complexity under CLIA?
ANSWER Waived tests, moderate-complexity tests, and high-
complexity tests.
Q22. How does the FDA categorize laboratory tests?
ANSWER The FDA categorizes tests based on the risk of an incorrect
result and the complexity of performing the test.
Q23. What criteria does the FDA use to determine test complexity?
ANSWER Seven criteri ANSWER knowledge, training, reagent and
material preparation, characteristics of operational steps,
calibration/QC/proficiency testing, troubleshooting and equipment
maintenance, and interpretation and judgment.
Q24. Give three examples of waived tests.
ANSWER Urine dipstick, urine pregnancy tests, blood glucose
monitoring, and rapid strep A tests are common waived tests.
Q25. Give three examples of moderate-complexity tests.
ANSWER Urinalysis by microscopy, complete blood count (CBC), and
most routine chemistry panels are moderate-complexity.
Q26. Give two examples of high-complexity tests.
ANSWER Cytogenetics, flow cytometry, most molecular tests, and
manual cell differentials are high-complexity tests.
Q27. What is PPM (Provider-Performed Microscopy) and what tests
does it include?
CLIA Compliance — 300 Q&A | Page 4
