This code system http://hl7.org/fhir/v2/0925 defines the following codes:

CodeDisplay
ACNAir Contamination
CLTClotted
COLCollapse
DAKDefective Apheresis Kit
DBGDefective Bag
DMTDefective Instrument
DNDDefective Needle
INFInfiltration
IPFInstrument Power Failure
MISMissed / in tissue
NADNeedle adjustment (this may not end a procedure, if successful will impact component production)
PFLPoor flow
VSMVein Spasm