
Tenee McDuffie
@teneemcduffie
I apply healthcare and coding experience to accurate, compliant outpatient medical coding.
What I'm looking for
I've supported accurate diagnosis coding, lab test orders, ABN documentation, and reimbursement workflows at Quest Diagnostics, including client sites at Howard Brown Health.
My CCS credential and coding training cover ICD-10-CM, ICD-10-PCS, CPT, HCPCS Level II, MS-DRG assignment, APC, NCCI edits, POA indicators, modifiers, UHDDS guidelines, and inpatient/outpatient record review.
I bring more than 25 years of healthcare experience across clinical operations, laboratory services, and education, including leading teams of up to 30 and teaching ICD-9/ICD-10 coding fundamentals using SimChart EMR and an encoder.
Experience
Work history, roles, and key accomplishments
Continuing Education Instructor – Phleb
Alvin Community College
Jan 2025 - Dec 2025 (11 months)
Directed clinical skills training, blood draw procedures, and patient documentation accuracy. Managed four-week clinical skills rotation cohorts, ensuring compliance with curriculum standards.
Reviewed lab test orders, ABN recording, and ICD-9/ICD-10 diagnosis code assignment at Howard Brown Health (FQHC) client sites. Verified daily specimen processing, batch manifesting, and order queue resolution to ensure data integrity.
Adjunct Instructor – Phlebotomy & CMA
Lone Star College System
Mar 2016 - Mar 2023 (7 years)
Delivered lecture and lab instruction on medical office operations, clinical lab procedures, and ICD-9/ICD-10 coding fundamentals. Taught medical terminology, EKG procedures, and patient education to high school dual-credit and college students.
Health Science Teacher (CATE)
Lancaster ISD
Aug 2020 - Jun 2021 (10 months)
Delivered instruction in Principles of Health Science, Medical Terminology, and Digital Information Technologies. Monitored student progress, conducted parent/guardian conferences, and supported ELL and Special Education accommodations.
Phlebotomy Supervisor
Health Diagnostic Laboratory
Jun 2015 - Mar 2016 (9 months)
Managed team of 30 employees across the South Texas region, ensuring compliance with safe phlebotomy practices. Administered competency testing modules and tracked employee progress for annual compliance certification.
Led team of 10–20 healthcare professionals; scheduled clinical lab technicians to maintain efficient workflow. Ensured accuracy with blood draws, DOT/non-DOT screenings, ABN documentation, ICD-9 diagnosis coding, and specimen processing.
Education
Degrees, certifications, and relevant coursework
TTC Academy
Formal Coding Training, Coding
Formal coding training completed in 2026.
Walden University
Master of Science, Higher Education
Master of Science in Higher Education from Walden University, completed in 2018.
Virginia College Online
Bachelor of Science, Health Services Management
Bachelor of Science in Health Services Management from Virginia College Online, completed in 2012.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
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