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Last Modified: 5/21/2025 Location: FL, PR, USVI Business: Part A, Part B

Breakdown of Common Minimum Data Set (MDS) Errors Section A to Section C

Section A Identification Information

A0310 Type of Assessment
A2300 Assessment Reference Date (ARD)
Upon admission to the Skilled Nursing Facility (SNF) the ARD must be set for days one through eight
Look back period would be ARD plus six previous calendar days
A2400 Medicare Stay
Identifies when the Medicare Part A stay begins and ends

Section B Hearing, Speech, and Vision

B0100 Comatose
Within the seven-day look back period, would need supportive documentation from a physician, nurse practitioner or physician assistant
B0700 Makes Self Understood
Occurs within the seven-day look back period,
Supportive documentation could include the resident interviews, interaction with others, in the interview, in nurses/physician's notes, therapy notes

Section C Cognitive Patterns

C0200 Brief Interview for Mental Status (BIMS)
Within the seven day look back period, interview should be attempted on all residents
Supportive documentation could be in the interview, in nurses/physician's notes, therapy notes
C0300 Temporal Orientation (orientation to year, month, and day)
C0400 Recall
C0500 BIMS Summary Score
C0700 Short-term Memory OK
C1000 Cognitive Skills for Daily Decision Making
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