Answers to COS-C Exam Practice Test Questions found in the INSTANT OASIS Answers 2026 Edition:
(D) 7
(A) Check only 0O110Z1 – None of the above
(B) The correct answer is 1 – Yes, because the patient experienced a fall due to an overwhelming force.
(D) J1900C – Major injury is 1
(C) A1255 is Code 7 – Patient declines to respond
(A) D0150B1 is coded 1, and D0150B2 is coded with a dash (-)
(C) C0200-C0400 should all be dash (-) and C0500 will be dash (-)
(D) OASIS data collection and submission are not required when a home health agency is providing outpatient therapy services under the Medicare Part B benefit and there is no home health plan of care in effect
(A) The occupational therapist may complete a new SOC due to the payer change
(B) GG0170M – 1 step (curb) is 88 – Not attempted due to medical conditions or safety concerns GG0170N – 4 steps is skipped GG0170O – 12 steps is skipped
(B) 1 – Yes
(B) M1311E2 = 0
(B) Code 09 – Not Applicable
(C) 9 – NA
(C) Code 02 – Substantial/maximal assistance
(C) Code 09 – Not applicable
(C) M1311B1. Stage 3 = 1
(D) Code 05 – Setup or clean-up assistance
(B) 1 – Grooming utensils must be placed within reach before able to complete grooming activities
(C) D0150A1 = 9 and D0150A2 = blank; D0150B1 = dash and D0150B2 = blank
(C) 2 – Requires use of a two-handed device (for example, walker or crutches) to walk alone on a level surface and/or requires human supervision or assistance to negotiate stairs or steps or uneven surfaces
(B) 2 – Sometimes
(A) C1 – Oxygen Therapy, C2 – Continuous
(C) Medications should be coded in N0415 – High-Risk Drug Classes according to the therapeutic category and/or classification regardless of why the patient is taking the medication.
(A) D – Therapeutic diet
(C) A home health patient is discharged from home care services to receive hospice care in their home.
