Marcela Orellana
@marcelaorellana
Certified medical coder specializing in inpatient rehabilitation coding with strong accuracy and compliance focus.
ZimbabweWhat I'm looking for
I am an AHIMA-certified medical coding specialist with extensive experience in inpatient rehabilitation facilities, focused on accurate ICD-10 coding, IRF-PAI and UB-04 completion.
Over a decade in healthcare coding roles, I have consistently met timeframe expectations while assigning impairment group codes, etiologic diagnoses, and sequencing diagnoses for optimal reimbursement.
I maintain strong attention to HIPAA compliance, medical terminology, and reporting accuracy, having worked across Lifepoint Rehabilitation Health, Memorial Hermann Health System, Main Line Health, and Encompass Health.
I bring analytical skill, organizational rigor, and proficiency with Word, Excel and Outlook to ensure coding integrity and to support revenue cycle and clinical documentation improvement initiatives.
Experience
Work history, roles, and key accomplishments
Inpatient Rehab Coder
Lifepoint Rehabilitation Health
May 2025 - Present (10 months)
Code IRF records using current ICD-10-CM, accurately assign IGC/etiologic diagnoses and comorbidities, and complete IRF-PAI and UB-04 submissions to ensure accurate reimbursement and compliance.
Inpatient Rehab Coder
Memorial Hermann Health System
Feb 2025 - Present (1 year 1 month)
Code IRF records using current ICD-10-CM, assign IGC/etiologic diagnoses and comorbidities, and complete IRF-PAI and UB-04 to support accurate billing and regulatory compliance.
Coding Specialist II
Main Line Health
Nov 2020 - Feb 2025 (4 years 3 months)
Assigned ICD-10-CM and ICD-10-PCS codes for inpatient, outpatient, procedure, and observation accounts, ensuring accurate sequencing and coding compliance to optimize reimbursement.
HIMS Coder
Encompass Health
Apr 2013 - Nov 2020 (7 years 7 months)
Ensured accurate ICD-9-CM coding, impairment group and CMS13 assignments; abstracted and entered medical record data, completed IRF-PAI and UB-04 forms, and monitored work queue bill holds.
Education
Degrees, certifications, and relevant coursework
Mercy Medical Center
Externship, Medical Billing and Coding
2012 - 2012
Completed a Medical Billing and Coding externship at Mercy Medical Center from March 2012 to May 2012.
Sanford-Brown Institute
Certificate, Medical Billing and Coding
2011 - 2012
Completed Medical Billing and Coding certificate program at Sanford-Brown Institute from February 2011 to May 2012.
Availability
Location
ZimbabweAuthorized to work in
Job categories
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