NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation 0..* Observation Measurements and simple assertions
... code Σ 1..1 CodeableConcept Type of observation (code / type)
.... coding Σ 1..1 Coding Code defined by a terminology system
..... code Σ 0..1 code Symbol in syntax defined by the system
... subject Σ 1..1 Reference(RareLink IPS Patient) Who and/or what the observation is about
.... reference ΣC 0..1 string Literal reference, Relative, internal or absolute URL
.... identifier Σ 0..1 Identifier Logical reference, when literal reference is not known
... Slices for effective[x] Content/Rules for all slices
.... effective[x]:effectiveDateTime Σ 0..1 dateTime Clinically relevant time/time-period for observation

doco Documentation for this format