Sig code: dosage form

CR medical abbreviation

CR means "creatinine".

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

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What CR means

MeaningLatin originWhere usedChecked against
creatinineNonePrescriptions, Medication labels

Also written: Cr.

Example

Sample label text: "apply CR."

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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  • GFRglomerular filtration rate
  • AKIacute kidney injury
  • ERextended release; estrogen receptor

Elsewhere on Rivvi

Questions

What does CR mean in medical terms?

CR means "creatinine".

Where is CR used?

CR shows up in prescriptions and medication labels. Its category here is sig code: dosage form.

Is CR on the Joint Commission Do Not Use list?

No. CR 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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