Lab

RH medical abbreviation

RH means "Rhesus factor".

Each meaning matched at least two public references (2 in all for RH), checked October 23, 2026. The table lists them.

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What RH means

MeaningLatin originWhere usedChecked against
Rhesus factorNoneLab orders, Charting

Example

Sample lab row: "Rh."

A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.

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Elsewhere on Rivvi

Questions

What does RH mean in medical terms?

RH means "Rhesus factor".

Where is RH used?

RH shows up in lab orders and charting. Its category here is lab.

Is RH on the Joint Commission Do Not Use list?

No. RH is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.

Source: NCI Thesaurus, including CDISC SDTM terminology (NCI EVS); NLM SPECIALIST Lexicon abbreviations file (LRABR). Data as of October 23, 2026. Last updated October 23, 2026. How we source data. Spotted an error? Send a correction.

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