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FHIR-53384: Add Specimen.focus CodeableReference element#4027

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FHIR-53384: Add Specimen.focus CodeableReference element#4027
jdlnolen wants to merge 1 commit intomasterfrom
fhir-53384

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@jdlnolen jdlnolen commented Mar 8, 2026

Summary

  • Added Specimen.focus element (0..*) as CodeableReference targeting Group, Device, Substance, Location, RelatedPerson, and BiologicallyDerivedProduct
  • Supports use cases where the focus of testing differs from the subject (e.g., veterinary zoonotic testing, genomic trio testing)
  • Aligns with the Observation.subject / Observation.focus pattern
  • Added focus (reference) and focus-code (token) search parameters

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  • Publisher builds successfully with 0 errors

🤖 Generated with Claude Code

Added Specimen.focus (0..*) CodeableReference targeting Group, Device,
Substance, Location, RelatedPerson, and BiologicallyDerivedProduct.
This aligns with the Observation.subject/focus pattern for cases where
the focus of testing differs from the subject (e.g., veterinary zoonotic
testing, genomic trio testing).

Added corresponding search parameters (focus, focus-code) for the
CodeableReference element.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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