Inpatient vs Obs
This is one of the 3 main criteria payers use to validate inpatient status.
What is InterQual, MCG or CMS 2 MN rule?
This is a well known acronym for Medicare.
What is CMS (the Center for Medicare and Medicaid Services)?
This is the average cost to UMC daily on an inpatient.
What is $1500?
This is the average of in network healthcare insurance claims that are denied nationally.
What is 15%?
A postpartum patient with severe-range blood pressures is admitted for IV antihypertensives, magnesium sulfate, serial labs, and close monitoring, but improves and goes home after 18 hours.
What is inpatient status? (Status is not determined only by the length of stay. It is determined by the severity of illness and intensity of services. This is considered a short stay.)
This % of Medicare inpatient claims are denied on average each year.
What is 0%? (CMS doesn't deny claims they do RAC audits [Recovery Audit Contractor audit])
This is the average reimbursement to UMC from payers for an Observation stay.
What is $1500?
The name of the bill passed that protects patients from getting a surprise bill.
What is The No Surprise Act?
A patient is admitted for scheduled induction of labor at 39 weeks; this is the appropriate status for her hospital stay regardless of length.
What is inpatient? (Length of stay is irrelevant due to the SOI and IOS).
This is the rule CMS uses to govern inpatient status criteria.
What is the 2 midnight rule?
This is how much UMC gets reimbursed if a Medicare patient gets flipped from inpatient to obs but gets discharged prior to Code 44 added.
What is $0?
This 2025 federal law, signed on July 4th, caps state-directed payments to hospitals at 100% of Medicare rates in Medicaid expansion states, representing a significant pay cut from the prior average commercial rate benchmark.
What is the One Big Beautiful Bill Act (OBBBA)? (or HR-1) - For UMC what is the expected loss?
Documenting this in the H&P helps validate the inpatient status and reduces the chance the payer will deny payment.
What is expected LOS, SOI and IOS? If your H&P doesn't tell a story that justifies why this patient needs to be in a hospital bed for two midnights, you wrote an observation note — regardless of what the order says.
This code must be added to a Medicare patient's bill before they are discharged if they get flipped back to Obs from Inpatient for a hospital to be reimbursed.
What is a Code 44?
This is one of the 2 main methodologies insurance companies pay UMC for a hospital stay.
What is DRG-based or per diem (daily rate)?
These are 3 types of denials directly related to physician documentation that payers use to refuse payment to hospitals.
What are level of care, room downgrades, DRG downgrades, delays in care/discharge, medical necessity, clinical validation, SNF waiting, exceeded authorized days? (This is why documentation matters)
A post-op radical hysterectomy patient is kept 2 nights for nausea and pain control and goes home; this is the most appropriate status.
What is Inpatient? (This procedure is on the CMS inpatient only list and is always inpatient until it is removed in 2027-28)
This is what Medicare patients have to pay personally if placed in Obs status.
What is 25% of the bill plus medications.
This is the average % of denied claims to UMC every year by payers.
What is 17%?
This common documentation error in OB/GYN admissions — present in roughly 30-40% of denied short-stay claims nationally — involves listing comorbidities on the problem list without describing their severity, current management, or relevance to the planned hospital stay.
What is non-specific (or "diagnosis without context") documentation of comorbidities? ("Diabetes" vs. "Insulin-dependent T2DM with A1c 8.2 requiring perioperative glycemic protocol" is the difference between denial and payment.)