P.3 Substance Administration Logging SOP Class Definition
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## P.3 Substance Administration Logging SOP Class Definition

The Substance Administration Logging SOP Class allows an SCU to report to an SCP the events that are to be recorded in a patient's Medication Administration Record (MAR) or similar log, whose definition is outside the scope of the Standard. This allows devices with DICOM protocol interfaces to report administration of diagnostic agents (including contrast) and therapeutic drugs, and implantation of devices.

The Substance Administration reported through this SOP Class is related to the MAR by Patient ID or Admission ID. The mechanism by which the SCU obtains this identifier is not defined by this SOP Class.

The log entry to the MAR is authorized by at least one of the Operators identified in the Operator Identification Sequence. The mechanism by which the SCU obtains these identifiers is not defined by this SOP Class. The SCP may refuse the log entry if none of the identified Operators is authorized to add entries to the MAR. The mechanism by which the SCP validates such authorization is not defined by this SOP Class.

### Note

1. The SCP of this Service Class is not necessarily the Medication Administration Record system, but may be a gateway system between this DICOM Service and an HL7 or proprietary interface of a MAR system. Such implementation design is beyond the scope of the DICOM standard.

2. This SOP Class is not limited to only specifying medications, although the conventional name of the destination log is the Medication Administration Record. The SOP Class may also be used to record the implantation of therapeutic devices, including both drug-eluting and bare stents, prosthetic and cardiovascular devices, implantable infusion pumps, etc.

3. The application level authorization of Operators for the purpose of logging a MAR entry is distinct from any access control mechanism at the transport layer (see User Identity Association profiles in PS3.15).

### P.3.1 DIMSE Service Group

The DIMSE-N Services applicable to the Substance Administration Logging SOP Class are shown in Table P.3-1.

Table P.3-1. DIMSE Service Group

DIMSE Service Element | Usage SCU/SCP
--- | ---
N-ACTION | M/M

The DIMSE-N Services and Protocol are specified in PS3.7.

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