Certified Medical Coder (ICD-10) — Multilingual Clinical Documentation & AI Evaluation

Mercor is hiring certified medical coders on behalf of a healthcare AI partner building advanced clinical documentation tools. In this role you will apply your coding and documentation expertise to review, annotate, and evaluate clinical documentation and AI-generated clinical notes, directly shaping the accuracy and reliability of medical AI systems.

This role is part of a multilingual annotation cohort. In addition to English, you should be able to speak, read, and write at least one other language at an advanced (C1 or above) level.

Documentation & Coding Review

• Review clinical documentation for accuracy, completeness, and coding integrity
• Evaluate AI-generated clinical notes and summaries against real-world documentation and coding standards
• Validate alignment between clinical documentation and assigned codes

Annotation & Structured Feedback

• Annotate clinical documentation against detailed guidelines
• Flag omissions, inaccuracies, and documentation gaps in AI-generated output
• Provide structured, written feedback that engineering and product teams can act on

Knowledge Contribution

• Contribute expert input on annotation guidelines and documentation standards
• Raise clarifying questions where guidance is ambiguous and help refine the guidelines

• Active certification — at least one of CCDS, CHC, CCS, or CPC
• ICD-10 coding experience
• Currently working in medical coding, clinical documentation improvement, or a closely related documentation role
• US-based
• In addition to English, advanced (C1+) proficiency — speaking, listening, and writing — in at least one other language
• Availability of at least 10 hours per week

• Remote, part-time — minimum 10 hours/week
• Flexible scheduling