Class: Master_service

Description of: Master_service

Class steward is Orders/Observation
An individual test observation, test observation battery or panel, individual medication, diet, or procedure.

Attribute definitions for: Master_service

allowable_processing_priority_cd

one of the available priorities for performing the observation or test

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^25^00610^Processing Priority|

allowable_reporting_priority_cd

the available priorities for reporting the test results when the user is asked to specify the reporting priority independent of the processing priority

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^26^00611^Reporting Priority|

billing_reference_txt

The service catalog item billing reference information.

challenge_information_txt

information for classifying observations by the challenge component of the test, if a challenge does speciate the observation, for example, tests that include a glucose challenge.

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^44^00939^Challenge Information|

confidentiality_cd

A code depicting the level of confidentiality associated with the service catalog item.

|OM1^30^00615^Confidentiality Code|

effective_dt

The date the service catalog item is effective.

factors_that_may_affect_observation_desc

Text description of the foods, diagnosis, drugs, or other conditions that may influence the interpretation of the observation including information about the direction of the effect, and any recommendation about altering the diet, conditions, or drugs before initiating the test observation.

Rationale: alignment with V2.3 language

|OM1^32^00617^Interpretation of Observations| |OM1^39^00624^Factors that may Effect the Observation|

fee_amt

The service catalog fee amount.

fixed_canned_message_cd

the codes and a fixed text message that is always associated with the test described by this service catalog item

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^36^00621^Fixed Canned Message|

imaging_measurement_modality_cd

the modality used to classify the observations, e.g., radiograph, ultrasound, CT scan, NMR, etc. Especially important for imaging studies.

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^47^00942^Modality of Imaging Measurement|

incompatible_change_dttm

the date and time of the last change in the test procedure that would make previous results incompatible with new results, e.g., the last time that normal reference range or units changed for a numeric test/observation.

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^22^00607^Effective Date/Time of Change in Test Procedure th|

instrument_identifier_coding_system_nm

contains the coding system name for the code identifying the instrument or device that is used to generate this observation or battery

Rationale: required by components of V2.3 field

OpenIssue:

|OM1^13^00598^Identity of Instrument Used to Perfrom this Study|

instrument_identifier_nm

contains the code identifying the instrument or device that is used to generate this observation or battery

Rationale: required by components of V2.3 field

OpenIssue:

|OM1^13^00598^Identity of Instrument Used to Perfrom this Study|

interpretation_considerations_desc

the clinical information about interpreting test results. Examples are the conditions (drugs) that may cause false abnormals, and the information about the sensitivity and specificity of the test for diagnoses

Rationale: OM1/Interpretation of Observations and OM1 /Factors that may Effect the Observation contain different information.

OpenIssue:

|OM1^32^00617^Interpretation of Observations|

join_cd

kind_of_quantity_observed_cd

the underlying kind of property measured by this service catalog item. distinguishes concentrations from total amounts, molar concentrations from mass concentrations, partial pressures from colors, and so forth

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^42^00937^Kind of Quantity Observed|

last_update_dttm

contains the date and time that the last of any field change was made and in the source record corresponding to the service catalog item.

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^21^00606^Date/Time Stamp for Any Change in Definition for t|

method_cd

A code depicting the service catalog item method.

|OM1^14^00599^Coded Representation of Method|

method_desc

A textual description of the service catalog item method.

|OM1^41^00626^Description of Test Methods|

nature_of_service_cd

A code used to classify the service catalog item (e.g., test battery, functional procedure or study, single test value, multiple test batteries, functional procedures as an orderable unit, single test value calculated from other independent observations, ...).

Rationale: alignment with V2.3 language

|OM1^18^00603^Nature of Test/Observation|

observation_id_suffix_txt

The expected suffixes for tests or procedures that produce a type which uses observation ID suffixes following the test/observation ID code. For example, a chest x-ray may use the suffixes IMP, REC, DEV, or others

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM5^3^00656^Observation ID Suffixes|

orderable_service_ind

An indication that the service catalog item is an orderable service.

|OM1^12^00597^Orderability|

patient_preparation_desc

A description of special patient preparation, diet, or medications for this service catalog item.

|OM1^37^00622^Patient Preparation|

point_versus_interval_cd

classifies this service catalog item as measuring the patient's state either at a point in time (e.g., spot urines, random urines, serum potassium), or averaged over a interval of time (e.g., concentration, total amount, or clearance over a 24-hour collection).

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^43^00938^Point Versus Interval|

portable_device_ind

An indication that a portable device may be use for the test or observation service catalog item.

|OM1^15^00600^Portable|

preferred_ordering_method_txt

Free form text describing the preferred ordering method for the service catalog item.

preferred_scheduling_method_txt

Free form text describing the preferred scheduling method for the service catalog item.

procedure_medication_cd

The identifier of a medication treatment that may be needed as part of a procedure service catalog item. Examples are radioactive iodine for a thyroid screen, and methacholine for a methacholine spirometry challenge.

Rationale: V2.3 field is CE datatype

|OM1^38^00623^Procedure Medication|

quantitytiming_qt

A means of providing default or standard specifications for when the master service is to be performed and how frequently. It is a complex multicomponent field that can have repeats. If a speciment is required for the service, the Priority component contains specimen collection priority rather than processing priority. The extent to which these specifications can be modified in the delivery of the master service to a particular subject of service is regulated by business rules established by each institution.

report_display_order_txt

defines the sort order in which this observation is presented in a standard report or display that contains the many observations

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^20^00605^Report Display Order|

required_credentials_desc

A description of the credentials required for the service catalog item.

service_alternate_id

An alternate unique identifier for the service catalog item.

Rationale: specific to this usage

|OM1^7^00592^Other Test/Observation IDs for the Observation|

service_alternate_identifier_coding_system_nm

coding system name for an alias code/identifier for this service.

Rationale: required by components of V2.3 field

OpenIssue:

|OM1^7^00592^Other Test/Observation IDs for the Observation|

service_alternate_identifier_nm

an alias code/identifier for this service.

Rationale: required by components of V2.3 field

OpenIssue:

|OM1^7^00592^Other Test/Observation IDs for the Observation|

service_alternate_name_use_cd

use for which an alternate service name is created, e.g., long name, short name, name for reports, report subheader.

Rationale: to retain distinction among multiple alternate names in V2.3 standard

OpenIssue:

|OM1^19^00604^Report Subheader|

service_alternate_nm

An alternate name for the catalog item.

Rationale: specific to this usage

|OM1^8^00593^Other Names| |OM1^10^00595^Preferred Short Name or Mnemonic for Observation|

service_contraindication_cd

A code for a diagnosis or problem for which the service catalog item is a contraindication or of possible danger.

Rationale: alignment with V2.3 language

|OM1^33^00618^Contraindications to Observations|

service_desc

A description of the service catalog item.

Rationale: specific to this usage

|OM1^6^00591^Observation Description|

service_performance_schedule_cd

A code indicating the maximum service interval for the service catalog item.

Rationale: alignment with V2.3 language

|OM1^40^00625^Test/Observation Performance Schedule|

service_primary_nm

The primary or preferred name of the service catalog item.

Rationale: specific to this usage

|OM1^9^00594^Preferred Report Name for the Observation| |OM1^11^00596^Preferred Long Name for the Observation|

service_requirement_desc

A free form description of the service requirements for the service catalog item.

service_type_cd

A code used to categorize the service catalog item.

standard_time_to_perform_dttm

The norm for performing the service across organizational provider and client base.

Rationale:

OpenIssue:

target_anatomic_site_cd

formally indicates the site of the observation (to make it easy for a system to find all tests related to one anatomic site). It can be used to classify the observation by target site of the examination. For example, "heart" might be recorded as the target of the electrocardiogram, cardiac echo, and thallium exercise test.

Rationale: previously unmatched V2.3 field

OpenIssue:

|OM1^46^00941^Target Anatomic Site of Test|

target_of_service_cd

Object which is target of the service.

Rationale: This is not necessarily the patient.

OpenIssue: In order to make this consistent, Orders must move Processing_time and Typical_turnaround_time from the Master_observation_service to this class. Note that it would also be nice to have a better definition.

universal_service_id

The primary or preferred unique identifier for the service catalog item.

Rationale: alignment with V2.3 language (in general discussion of this concept)

|AIS^3^00238^Universal Service ID| |OBR^4^00238^Universal Service ID| |OBX^3^00571^Observation Identifier| |RXO^1^00292^Requested Give Code|

universal_service_identifier_coding_system_nm

name of the coding system for the universal service identifier

Rationale: required by components of V2.3 field

OpenIssue:

|RXD^2^00335^Dispense/Give Code|

universal_service_identifier_nm

name for the service catalog item

Rationale: required by components of V2.3 field

OpenIssue:

|RXD^2^00335^Dispense/Give Code|

Association definitions for: Master_service

is_requested_by (1,n) :: Service_scheduling_request :: requests (1,1)

is_source (0,n) :: Master_service_relationship :: has_source (1,1)

is_delivered_during (0,n) :: Service_event :: delivers (1,1)

is_target (0,n) :: Master_service_relationship :: has_target (1,1)

is_produced_by (0,n) :: Producer_of_master_service :: produces (0,1)

Rationale: support use of Producer ID in V2.3 OM1

OpenIssue:

is_instantiated_as (0,n) :: Service_intent_or_order :: is_an_instance_of (1,1)

is_covered_by (0,n) :: Healthcare_benefit_service :: provides_coverage_for (1,n)