Skip to main content
. 2006 Jul;2(4):149–154. doi: 10.1200/jop.2006.2.4.149

Table 1.

Types of Nurse Reported Medication Errors

Type of Error No. of Errors
Type 1: Errors in medication ordering and transcription 33
    Type 1a. Physician order writing errors 8
Order illegible 1
        Order written on wrong chart 1
        Wrong dose 1
        Fails to place chart in orders slot for ward clerk 4
        Fails to complete order 1
    Type 1b. Ward clerk errors 1
        Fails to send copy of order to pharmacy 1
    Type 1c. Nursing errors 1
        Enters wrong order into MAR 1
    Type 1d. Pharmacy errors 20
        Miscopies written order into computer 10
        Places order into computer without a written order 5
        Fails to put order into computer 3
        Fails to discontinue medication from computer when ordered 2
    Type 1e. Type 1 errors not otherwise classifiable 3
Type 2: Errors in medication dispensing 50
    Type 2a. Nursing dispensing errors 36
        Dispenses wrong medication 16
        Dispenses incorrect dose 20
    Type 2b. Pharmacy dispensing errors 12
        Failure to send medication to the ward at appropriate time 7
        Dispenses wrong medication 1
        Dispenses an incompatible medication 1
        Dispenses incorrect dose 3
Type 3: Nursing errors in medication administration 58
        Medication not given 18
        Wrong medication given 1
        Wrong time 10
        Wrong dose 17
        Wrong patient 6
        Administered after discontinue order 1
        Wrong route 1
        Failure to chart medication given resulting in repeat dose 3
        Administers incompatible medication 1

Abbreviation: MAR, medication administration record.