Louisiana Medical Laboratory Scientist Licensing Guide

Louisiana Lab License Overview

Louisiana licenses laboratory science as more than a single credential. Alongside the general clinical laboratory scientist license, it also recognizes:

• Specialty licenses: Clinical Laboratory Scientist-Specialist (CLS-S); Cytotechnologist; Phlebotomist
• Limited and technician-level credentials: Clinical Laboratory Scientist-Technician (CLS-T); Laboratory Assistant (LA); Trainee License (license in training)

A license you hold in another state does not transfer automatically, so you apply to Louisiana's licensing program before your first assignment there.

Louisiana Lab License Requirements

The baseline below is Louisiana's general license. The specialty section covers the specialties that differ from it.

• State license required: Louisiana requires a state clinical laboratory personnel license to test patient specimens. This is the primary credential, separate from your employer's onboarding or the lab's CLIA certificate.
• Qualifying certification: confirm which certifying bodies Louisiana accepts (such as ASCP or AMT) before you apply.
• Credential required: Baccalaureate degree plus completion of an approved nationally recognized generalist certification examination (e.g., ASCP, AMT, AAB), or a pre-1995 HEW certification.
• Scope of the general license: Performs clinical laboratory tests and procedures in ALL specialty areas requiring independent judgment and responsibility, including all CLIA-defined testing. May perform the functions of every other licensed/certified category EXCEPT the Cytotechnologist, without additional licensure.
• Verification: ASCP or direct board verification.

Louisiana Lab License Fees and Credentials

Louisiana issues more than one laboratory credential, so fees vary by the license you hold. The table below is one row per state-recognized credential.

Louisiana Lab License Renewal and CE

• Renewal cycle: every year, licenses expire on the last day of the year and must be renewed annually on or before the expiration date.
• Continuing education: Louisiana requires 12 hours per year for license renewal.

How to Get a Louisiana Lab License

In outline, applying takes these steps:

1. Confirm the qualifying certification or education Louisiana accepts for the license you want (the requirements above).
2. Arrange for the transcripts and certification verification the program asks for. Ask whether they must come directly from your school and certifying body.
3. Apply to Louisiana State Board of Medical Examiners through the application portal.
4. Arrange the verification the program asks for: ASCP or direct board verification.

Common slip-ups travelers hit here: verification letter from current state lists inactive or lapsed license status; applicants must confirm active license before requesting verification from board.

Louisiana Lab License Processing Time

Plan for roughly 4-8 weeks for a clean application. Treat that as a planning number rather than a board-published guarantee.

Two things stretch the timeline for laboratory licensure. The state has to receive the verifications it asks for, such as certification verification from your certifying body and license verification from other states, and those hand-offs have their own latency. If you are applying for more than one credential, for example a generalist license plus a specialty license, they may process as separate items rather than in one pass.

High risk of missed start dates if application submitted less than 8 weeks prior. No temporary license safety net means permanent license must be fully issued before day 1. Sequential processing and out-of-state verification delays are the primary risk drivers.

Louisiana Lab Specialty Rules

Below is one subsection per credential that differs from the general Louisiana license, then roll-up lines for everything else.

Clinical Laboratory Scientist-Specialist (CLS-S)

Divergence: separate license. Practices clinical laboratory science in ONE OR MORE named laboratory specialties only. 'Laboratory Specialty' is statutorily defined as any category/subcategory recognized by a certifying agency, including hematology, microbiology, chemistry, and blood bank (immunohematology) and their subcategories. May perform laboratory assistant and phlebotomist functions without additional licensure.

• Fee: $65 application, $65 renewal, every year
• Credential: Doctoral, master's, or baccalaureate degree with a major in a chemical, physical, or biological science, plus a nationally recognized certification examination IN A LABORATORY SPECIALTY approved by the board (e.g., ASM for microbiology, AACC for chemistry, AABB for blood bank, ABI for immunology)

How it differs from the general license: A discipline-restricted full license rather than the all-areas generalist. The CLS-S is credentialed to and may practice only within the specialty (or specialties) for which they hold an approved specialty certification (hematology, microbiology, chemistry, blood bank/immunohematology, etc.), and cannot work all specialty areas the way a CLS-G can. It is its own separately issued license category, not a sub-tier of the generalist.

Clinical Laboratory Scientist-Technician (CLS-T)

Divergence: limited-scope tier. Performs high- and moderate-complexity tests across any area of clinical laboratory science that do NOT require independent judgment or responsibility; high-complexity testing must be performed under supervision per CLIA. May perform laboratory assistant and phlebotomist functions without additional licensure.

• Fee: $65 application, $65 renewal, every year
• Credential: Completion of an approved nationally recognized technician-level certification examination (e.g., ASCP MLT)

How it differs from the general license: A separate CLS-T licensure category for tests that do not require independent judgment or responsibility; high-complexity tests must be performed under supervision per CLIA.

Cytotechnologist

Divergence: separate license. Practice of clinical cytotechnology requiring independent judgment and responsibility: microscopic study/examination of body fluids, tissues, or desquamated cells (e.g., detecting malignancy, microbiologic changes, hormonal levels).

• Fee: $65 application, $65 renewal, every year
• Credential: Baccalaureate degree, completion of the educational requirements to enroll in a school of cytotechnology, one full year of full-time cytotechnology experience in an approved school, and an approved nationally recognized cytotechnology certification examination (e.g., ASCP, ASCT)

How it differs from the general license: The single specialty the generalist license CANNOT cover. A CLS-G may perform every other category's functions except cytotechnology, so Cytotechnologists need their own distinct license with cytotechnology-specific education, experience, and certification.

Laboratory Assistant (LA)

Divergence: limited-scope tier. Performs laboratory tests and procedures UNDER SUPERVISION by a licensed health care provider or laboratory director; no independent judgment or responsibility in any area. May perform high-complexity tests only under supervision per CLIA.

• Fee: $40 application, $40 renewal, every year
• Credential: High school diploma or equivalent plus documented training as evidence of competency in basic clinical laboratory science (passing the ISCLT or ASCP laboratory-assistant certification examinations is deemed conclusive evidence of competency)

How it differs from the general license: The lowest licensed bench tier, below the technician. No degree or certification exam required (competency documentation only), all work is supervised, and it carries no independent judgment authority. Far narrower than the generalist's all-areas independent practice.

Phlebotomist

Divergence: separate license. Performs invasive procedures to withdraw blood samples for clinical laboratory science (analysis, typing, crossmatching for transfusion); may perform and report results of any waived tests.

• Fee: $40 application, $40 renewal, every year
• Credential: Completion of a board-approved phlebotomy training program (minimum 20 lecture hours or equivalent practical hours) and a certification examination approved or administered by the board/committee, or an approved national phlebotomy certification (e.g., ASPT, NPA, AABB, IAPS)

How it differs from the general license: A separate phlebotomist credential, limited to drawing blood samples plus waived testing. Exemption: under LAC 46:XLV §3507, the licensure and certification requirements do not apply to anyone performing phlebotomy as an employee of, or under the direction and supervision of, a physician licensed by the board, a clinic run by a health care provider licensed to perform clinical laboratory testing, a hospital, a nursing home, or another licensed health care facility authorized to perform clinical laboratory testing. CLS-G, CLS-S, and CLS-T may all perform phlebotomy without additional licensure or certification.

Trainee License (License in Training)

Divergence: limited-scope tier. Permits practice of clinical laboratory science in the corresponding category ONLY under the direct supervision of a CLS-G, CLS-S, or Cytotechnologist. Not required for trainees practicing exclusively through an approved school/training program.

• Fee: $65 application, $65 renewal, every year
• Credential: Issued to an individual who has not yet fulfilled the educational requirements to sit for an approved certification exam, or who needs supervised full-time comprehensive experience. Also issued to returning practitioners certified but out of practice 10+ years

How it differs from the general license: A temporary, supervision-only credential for those not yet eligible for full licensure (or returning after a long absence). Carries no independent practice authority and is tied to a specific licensure category; the holder must work under a fully licensed CLS-G, CLS-S, or Cytotechnologist.

Louisiana Licensing Board and Resources

Louisiana State Board of Medical Examiners

Board Website · Application Portal · License Verification

Phone: (504) 568-6820

Email: [email protected]