What HS stands for
HS is a medical abbreviation for half-strength or at bedtime - written out in full as “Half-strength or hora somni (at bedtime)”. TermDecode files it under frequency abbreviations.
FrequencyFlagged high riskSourced
Risk
ECRI/ISMP 2024 update notice says not to use HS to mean at bedtime; HS may also be used locally for half-strength, so the intended meaning should be written out.
Safer Alternative
Use "QHS" or "qhs" for bedtime; write "half-strength" when that is intended
Seen in context
HS bedtime instruction misread or applied inconsistently
Source Note
Source note: this token is from the ECRI/ISMP 2024 update notice; it is not printed as a row in the current PDF text.
Sources
The risk description and safer alternative above are reproduced from these published lists.
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