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How to Answer M1100 - Patient Living Situation

• Ann Giles

How to Answer M1100 (Patient Living Situation) on the OASIS


M1100 - Patient living situation, is one OASIS item that remains troublesome for clinicians. This OASIS item is asking two questions:

  • The patient’s living arrangement
  • The availability of assistance

The answers to these two questions will lead to the correct response on the M1100 chart.

The patient’s living arrangement will determine the row in which your response will be. The response should reflect the patient’s usual living arrangement prior to the illness or injury. If the patient has recently changed their living arrangement due to their condition, you will still report the usual status unless the new arrangement is expected to become permanent. There are three options:

  • Row a. Patient lives alone – This is the correct response if the patient lives alone in an independent setting. The patient that has live-in paid help is considered to be living alone. Patients who have someone staying with them temporarily to provide assistance are still considered living alone.
  • Row b. Patient lives with other person(s) in the home – This is the correct response for patients who live with a spouse, family member or another significant other in an independent setting even if this person occasionally travels out of town leaving the patient alone.
  • Row c. Patient lives in congregate situation – This response is appropriate if the patient lives in an “assisted” setting which include assisted living facilities, residential care homes or personal care homes.

Once the living arrangement is determined, the availability of assistance must be established. Assistance in this item is referring to in-person assistance without regard to the amount of types of assistance the patient requires or whether the caregiver is able to meet all or only some of those needs. The response should be based on the availability and willingness of the caregiver(s) for the upcoming episode of care.  Assistance received via telephone should not be taken into account. A call bell that summons in-person help in an assisted living or congregate setting is considered in-person assistance.

There are five options for the availability of assistance:

  1. Around the clock – Someone is available in the home 24 hours a day to provide assistance.
  2. Regular daytime – Someone is in the home and available to provide assistance during daytime hours every day with infrequent exceptions
  3. Regular nighttime - Someone is in the home and available to provide assistance during nighttime hours every day with infrequent exceptions
    • Note: Clinical judgement should be used to determine what is considered regular daytime and regular nighttime based on the patient’s specific activities and routines.
  4. Occasional/short term assistance – Someone is available to provide in-person assistance only for a few hours a day or on an irregular basis, or may be only able to help occasionally.
  5. No assistance available – There is no one available to provide any in-person assistance. Once the living arrangement and availability of assistance is determined, the correct box can be marked on the chart.

Ann Giles, RN, BSN, HCS-D, COS-C

Director of Coding & OASIS Review

A native of La Place, LA, Ann joined PPS Plus after earning her degree from Louisiana State University. She contributes her expertise and nursing experience in developing the thousands of alerts within OASIS Analysis Plus. When not submerged in her coding, Ann loves to submerge herself in tropical waters for some scuba diving and spearfishing with her husband, Ryan.