Stability and validity of intact parathyroid hormone levels in different sample types and storage conditions.
Haitham KhalilAnwar BoraiMohammed DakhakhniSuhad M BahijriHala FaizoFawzi F BokhariGordon A FernsAhmed A MirzaPublished in: Journal of clinical laboratory analysis (2021)
Plasma IPTH can be stored at RT for up to four days. Both plasma and serum IPTH are not affected by a delay in the separation of up to two h and they can be stored for up to 8 days in a fridge or freezer without any clinically significant changes in their values.