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BIMS Calculator – Brief Interview for Mental Status

Kaushik RabadiyaCreated by Kaushik RabadiyaLast updated: September 26, 2026

BIMS (brief interview for mental status) instantly calculates results using item1, item2, item3. Use the calculator above for instant answers in your browser.

The Brief Interview for Mental Status (BIMS) Calculator is an essential clinical tool designed to help healthcare professionals evaluate cognitive function in older adults, particularly within skilled nursing and long-term care facilities. By systematically scoring key indicators such as temporal orientation, recall ability, and repetition, this calculator eliminates manual arithmetic errors and delivers an instant composite score to streamline patient care planning.

How the BIMS Calculation Works

The BIMS assessment evaluates cognitive capacity through seven distinct items, addressing repetition, temporal orientation, and short-term recall. Each item is assigned a specific point value based on the accuracy of the patient's response. The final BIMS score is the direct arithmetic sum of all individual items: Sum Total = Item 1 + Item 2 + Item 3 + Item 4 + Item 5 + Item 6 + Item 7. The resulting aggregate score ranges from 0 to 15, where higher values indicate higher cognitive functioning.

Worked Calculation Example

Consider an assessment for an elderly resident in a rehabilitation facility. The patient scores as follows across the evaluation items: Item 1 (Repetition of three words) = 3 points; Item 2 (Year orientation) = 3 points; Item 3 (Month orientation) = 2 points; Item 4 (Day of the week orientation) = 2 points; Item 5 (Active recall of word 1) = 2 points; Item 6 (Active recall of word 2) = 1 point; and Item 7 (Active recall of word 3) = 2 points. Summing these values together (3 + 3 + 2 + 2 + 2 + 1 + 2) yields a total BIMS score of 15, indicating intact cognitive status.

Best Practices for BIMS Assessment

Always conduct the interview in a quiet, private setting free from distractions to ensure the patient can concentrate fully on recall items. Speak clearly and allow adequate response time, especially for patients with mild hearing impairments or processing delays. Ensure that scoring criteria are strictly adhered to without prompting or giving unintended hints during recall tests.

FAQs

What are other tools similar to the BIMS assessment?

Other widely used cognitive screening instruments include the Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA). While the MMSE and MoCA are comprehensive diagnostic tools often utilized in neurology and outpatient settings, the BIMS is specifically structured for rapid administration in long-term care and Minimum Data Set (MDS) reporting.

How do I interpret the BIMS test?

The BIMS score ranges from 0 to 15. Scores from 13 to 15 generally indicate cognitively intact status. Scores ranging from 8 to 12 point toward moderate cognitive impairment, while scores from 0 to 7 suggest severe cognitive impairment requiring targeted care interventions and enhanced supervision.

What does a BIMS score of 13 mean?

A BIMS score of 13 falls within the 13 to 15 range, which is classified as cognitively intact. This means the individual demonstrated strong orientation to time and place, as well as reliable short-term memory during the three-word recall and repetition tasks, requiring minimal cognitive support.

What is 3 word recall test in the BIMS?

The three-word recall test is a core component of the BIMS used to evaluate short-term memory. The examiner states three unrelated words (such as sock, blue, bed) and asks the patient to repeat them immediately. Later in the interview, the patient is asked to recall those words independently, with extra points awarded if they need cues or hints.

Based on 1 source

  • MDS 3.0: brief interview for mental status — Saliba D, Buchanan J, Edelen MO, Streim J, Ouslander J, Berlowitz D, Chodosh J.

Formula verified against WHO/CDC clinical references — all calculations use deterministic, standards-based formulas.

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