Online Medical Billing and Coding Jobs at Rex.zone connect certified coders and RCM specialists with remote roles across healthcare and AI-enabled revenue cycle operations. This job entity covers ICD‑10‑CM, CPT, HCPCS coding, claims submission, denial management, and EHR documentation review, while also integrating modern AI/ML workflows: NLP-assisted coding, named entity recognition of clinical terms, QA evaluation of model outputs, prompt evaluation for LLM coding assistants, and training data quality assurance. Apply for remote, contract, freelance, and full-time opportunities with health systems, payers, BPOs, tech startups, and AI labs via Rex.zone, where you can explore entry-level to senior roles and help improve model performance and compliant reimbursement.
Join online medical billing and coding roles that ensure accurate ICD‑10‑CM, CPT, and HCPCS assignment, clean claim generation, payer rule compliance, and timely reimbursement. Collaborate with providers, auditors, and revenue cycle teams to reduce denials, improve first-pass rates, and maintain HIPAA-compliant workflows across EHRs and clearinghouses.
Review encounter notes and clinical documentation; assign and validate diagnosis/procedure codes; build and submit claims; conduct denial analysis and AR follow-up; perform charge capture audits; resolve payer edits; track KPIs like clean claim rate, DSO, and net collection rate; and maintain annotation guidelines compliance for coding accuracy.
Strong knowledge of ICD‑10‑CM, CPT, HCPCS, payer policies, and medical terminology. Proficiency in EHR/PM platforms (Epic, Cerner, Athenahealth), clearinghouses, and Excel. Preferred certifications: CPC, COC, CCS, CCS‑P, RHIT, RHIA, CPB. Meticulous attention to detail, HIPAA awareness, and written communication for audit trails and appeals.
Work with NLP-assisted coding, named entity recognition of diagnoses and procedures, document OCR and computer vision annotation of scanned forms, content safety labeling for PHI, QA evaluation of model outputs, prompt evaluation for coding assistants, and LLM training pipelines. Contribute to training data quality, annotation guidelines compliance, model performance improvement, and large language model evaluation.
Remote, hybrid, and onsite options. Openings include contract, freelance, part-time, and full-time roles across entry-level, mid-level, and senior positions. Employers span health systems, payer organizations, AI labs, tech startups, RCM vendors, BPOs, and annotation providers—globally accessible via Rex.zone.
EHR/PM systems (Epic, Cerner, Athenahealth), clearinghouses (Availity, Change Healthcare), codebooks and encoders, payer portals, RPA for claim status checks, and NLP/LLM tooling for assisted coding and audit triage. Familiarity with ICD‑10‑CM guidelines, NCCI edits, and local coverage determinations is expected.
Competitive hourly and salaried packages with productivity bonuses. Grow from entry-level coder to senior auditor, QA lead, RCM analyst, team supervisor, or AI workflow specialist supporting LLM training and evaluation. Senior roles may lead documentation improvement initiatives and payer strategy optimization.
Rex.zone centralizes curated medical billing and coding openings with advanced search modifiers, employer transparency, and streamlined applications. Navigate opportunities across healthcare and AI/ML operations, track status, and access resources for certification prep, compliance updates, and tooling best practices.
Create a profile on Rex.zone, upload certifications (CPC, CCS, etc.), detail specialty experience (primary care, surgery, radiology), list EHR tools and payer familiarity, and choose availability (remote, contract, freelance, full-time). Apply to roles and schedule interviews directly through the Rex.zone portal.
It is a remote or hybrid role focused on assigning ICD‑10‑CM, CPT, and HCPCS codes, preparing and submitting claims, resolving denials, and ensuring payer compliance—often leveraging EHRs, clearinghouses, and, increasingly, AI-assisted coding workflows.
CPC, COC, CPB (AAPC) and CCS, CCS‑P, RHIT, RHIA (AHIMA) are commonly requested. Specialty experience and documented accuracy metrics strengthen applications.
Yes. Entry-level roles exist for candidates with formal training or certification. Mentored pathways include claim prep, charge capture support, and documentation review before advancing to specialized coding or auditing.
Teams may use NLP and LLMs for suggestion and triage. Coders perform QA evaluation, prompt evaluation, and validation to ensure training data quality, guideline compliance, and model performance improvement.
Most listings on Rex.zone are remote-friendly. There are also contract, freelance, and full-time roles with flexible schedules and occasional onsite requirements depending on employer policies.
Epic, Cerner, Athenahealth, payer portals, clearinghouses (Availity, Change Healthcare), encoders, and Excel. Experience with OCR/computer vision for document intake and NLP-assisted coding is a plus.
Health systems, payers, RCM vendors, BPOs, tech startups, AI labs, and annotation providers. Roles span outpatient, inpatient, specialty clinics, and multi-state billing environments.
Create a profile, verify certifications, add specialty and tool experience, set job preferences (remote, contract, freelance, full-time, senior), and apply to matched roles. Interviews and updates happen in the Rex.zone portal.
'%20stroke-width='1.1184'/%3e%3cline%20x1='13.9799'%20y1='14.5392'%20x2='13.9799'%20y2='0.000106738'%20stroke='url(%23paint1_linear_5108_6545)'%20stroke-width='1.1184'/%3e%3cline%20y1='-0.559198'%20x2='29.0783'%20y2='-0.559198'%20transform='matrix(-1%208.74228e-08%208.74228e-08%201%2029.0781%20136.539)'%20stroke='url(%23paint2_linear_5108_6545)'%20stroke-width='1.1184'/%3e%3cline%20y1='-0.559198'%20x2='14.5391'%20y2='-0.559198'%20transform='matrix(1.31134e-07%201%201%20-1.31134e-07%2014.5391%20122)'%20stroke='url(%23paint3_linear_5108_6545)'%20stroke-width='1.1184'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_5108_6545'%20x1='29.0781'%20y1='-0.499878'%20x2='-0.000152544'%20y2='-0.49988'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23666666'/%3e%3cstop%20offset='0.336538'%20stop-color='white'/%3e%3cstop%20offset='0.495192'%20stop-color='white'/%3e%3cstop%20offset='0.653846'%20stop-color='white'/%3e%3cstop%20offset='1'%20stop-color='%23666666'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint1_linear_5108_6545'%20x1='15.0391'%20y1='14.5392'%20x2='15.0391'%20y2='0.000106877'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23585858'/%3e%3cstop%20offset='0.745192'%20stop-color='white'/%3e%3cstop%20offset='1'%20stop-color='white'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint2_linear_5108_6545'%20x1='0'%20y1='0.5'%20x2='29.0783'%20y2='0.5'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23666666'/%3e%3cstop%20offset='0.336538'%20stop-color='white'/%3e%3cstop%20offset='0.495192'%20stop-color='white'/%3e%3cstop%20offset='0.653846'%20stop-color='white'/%3e%3cstop%20offset='1'%20stop-color='%23666666'/%3e%3c/linearGradient%3e%3clinearGradient%20id='paint3_linear_5108_6545'%20x1='0'%20y1='0.5'%20x2='14.5391'%20y2='0.5'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%23585858'/%3e%3cstop%20offset='0.745192'%20stop-color='white'/%3e%3cstop%20offset='1'%20stop-color='white'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e)
We believe exceptional intelligence deserves exceptional pay. Our platform consistently offers rates above the industry average, rewarding experts for their true value and real impact on frontier AI. Here, your expertise isn't just appreciated—it's properly compensated.
No office. No commute. No constraints. Our fully remote workflow gives experts complete flexibility to work at their own pace, from any country, any time zone. You focus on meaningful tasks—we handle the rest.
AI trainers are the heart of our company. We treat every expert with trust, humanity, and genuine appreciation. From personalized support to transparent communication, we build long-term relationships rooted in respect and care.
Ready to Shape the Future of Medical Billing & Coding?
Apply Now.