The SNOMED CT composition grammar is a lightweight syntax for the representation of SNOMED CT expressions, which is both human readable and machine parsable.
SNOMED CT compositional grammar version 2.3.1 has been published at http://snomed.org/scg.
SNOMED International is aware of the following implementations of SNOMED CT Compositional Grammar
- SNOMED International - https://github.com/IHTSDO/SNOMEDCT-Languages/tree/master/SnomedCTCompositionalGrammar
- B2i Healthcare - https://github.com/b2ihealthcare/snomed-scg (SCG 2.3.1)
- Nictiz Netherlands - https://github.com/mertenssander/postco
No future enhancements to SNOMED CT Compositional Grammar are currently being considered.