CMS MDS 3.0 Nursing Home
CMS_MDSfree10 data-quality rules for the CMS Minimum Data Set (MDS 3.0) resident assessments submitted by nursing homes to the iQIES/QIES ASAP system. Covers required RAI items, value-set conformance, assessment-type and reason-for-assessment validity, date logic, provider/resident identifiers, and duplicate assessment suppression. Use it to clear MDS edits before submission.
Checks included (10)
Assessment Date After Entry Date
The assessment reference date cannot precede the resident's entry date.
Birth Date Before Assessment Date
The resident birth date cannot be after the assessment reference date.
Completion Date Not Before Reference Date
The assessment completion date (Z0500B) cannot precede the assessment reference date.
Required Assessment Items Present
Each assessment must carry the facility CCN, resident id, assessment reference date, and assessment type.
Resident Identifier Present(resident_id)
Each assessment must carry the resident's internal identifier.
Reason for Assessment Is Valid(reason_for_assessment)
The reason-for-assessment item (A0310A) must be a valid OBRA/PPS code (01–06, 99).
Gender Is Valid(gender)
Resident gender (A0800) must be 1 (male) or 2 (female).
CCN Is a Registered Provider
The facility CCN must exist in the CMS provider registry.
BIMS Score Within Range(bims_score)
The Brief Interview for Mental Status (BIMS) summary score (C0500) must be between 0 and 15 (99 = could not complete handled separately).
No Duplicate Assessments(assessment_key)
A resident should not have two assessments of the same type with the same reference date.