CurrentUnitedHealthcarePolicy CS182IN.07

Elective Inpatient Services (for Indiana Only)

Defines medical necessity criteria for planned elective inpatient admissions for certain surgeries or procedures in the state of Indiana, using InterQual criteria as a reference and listing specific medical, procedural, and postoperative factors that justify inpatient admission.

Policy Summary

PayerUnitedHealthcare

PolicyElective Inpatient Services (for Indiana Only)

Policy CodePolicy CS182IN.07

Change TypeRevised definitions and references

Effective DateFeb 1, 2026

Next Review Date

Key ActionProviders must document one or more listed clinical conditions, procedure-related risk factors, surgical planning needs, or procedural events to justify a planned elective inpatient admission for surgery.

POLICY UPDATE CHANGES

Updated definition of ASA Physical Status Classification and updated Clinical Evidence and References; archived prior version CS182IN.06 (Summary of Changes dated 02/01/2026).

IndianaGeographic scope

MultipleCovered Indications

ObstetricExclusions noted

Coverage Summary

Scope summary: This policy, Policy Number CS182IN.07, defines medical necessity criteria for planned elective inpatient admissions for certain surgeries or procedures and applies only to the state of Indiana.

Surface thresholds

MELD Score> 8

GFR<= 30 mL/min

Stroke or TIA timeframewithin last 3 months

Age>= 85 years

AHI - moderate15-30 events/hour

AHI - severe> 30 events/hour

AKI - serum creatinine changeIncrease >= 0.3 mg/dL in 48 hours or >=1.5x baseline within 7 days; or urine <0.5 mL/kg/hour for 6 hours

Hemodynamic Instability - systolic BPsystolic BP < 90 mm hg or decrease > 40 mm hg

Hemodynamic Instability - MAPMAP < 65 mm hg

Medically Necessary Indications for Planned Elective Inpatient Admission

Medically necessary indications for planned elective inpatient admission

A planned elective inpatient admission for certain surgeries or procedures is considered medically necessary when ANY of the following criteria are met:

Medical conditions increasing the risk of major post-operative complications

Advanced liver disease (MELD Score > 8)> 8
Cognitive status that warrants inpatient stay
Severe renal disease (GFR <= 30 mL/min)<= 30 mL/min
Severe valvular heart disease
Stroke or TIA within last 3 monthswithin last 3 months
Symptomatic chronic lung disease (e.g., asthma, COPD)
Symptomatic coronary artery disease or heart failure
Unstable medical condition (e.g., poorly controlled diabetes)

Procedure-related factors that may increase the risk of complications

Anesthetic risk: American Society of Anesthesiologists class III or greaterASA III+
Age 85 years or older>= 85 years
High risk for thromboembolism
Moderate (AHI 15-30) to severe (AHI > 30) sleep apneaAHI 15-30 (moderate); >30 (severe)
Persistent electrolyte abnormalities unresponsive to treatment (e.g., hyperkalemia, hyponatremia)

Other surgical planning or procedural needs

Complex post-operative wound care (e.g., complex drain management, open wound, previous local tissue injury from radiation or prior surgery, impaired circulation, sustained pressure)
Difficult approach because of previous operation
Extensive or prolonged (longer than the usual time frame) surgery
The need for preoperative diagnostic studies that cannot be performed as an outpatient
Advance surgical planning determines an individual requires inpatient recovery and care following a surgical procedure due to residence distant to medical facility with potential for urgent complications and no appropriate temporary residence available
Pre- or post-operative inpatient monitoring or treatment related to need to discontinue drugs or other therapies

Procedural related events that may require inpatient stay

Acute Kidney InjuryKDIGO AKI criteria: increase in serum creatinine ≥ 0.3 mg/dL in 48 hrs; ≥1.5x baseline in 7 days; urine <0.5 mL/kg/hr for 6 hrs
Altered mental status that is severe or persistent
Ambulatory or appropriate activity level status is not achieved
Conversion to open or complex procedure that requires inpatient care
Excessive drainage or bleeding from the operative site
Hemodynamic Instability

Provider Actions and Prior Authorization

Documentation Required

Document clinical rationale for inpatient admission

Providers must document one or more of the listed medical conditions, procedure-related risk factors, surgical planning needs, or procedural events that meet the policy's medical necessity criteria to justify a planned elective inpatient admission for surgery.

Advanced liver disease (MELD Score > 8)
Cognitive status that warrants inpatient stay
Severe renal disease (GFR <= 30 mL/min)
Severe valvular heart disease
Stroke or TIA within last 3 months
Symptomatic chronic lung disease (e.g., asthma, COPD)
Symptomatic coronary artery disease or heart failure
Unstable medical condition (e.g., poorly controlled diabetes)
Anesthetic risk: ASA class III or greater
Age 85 years or older
High risk for thromboembolism
Moderate to severe sleep apnea (AHI ≥15)
Persistent electrolyte abnormalities unresponsive to treatment
Risk of post-operative airway compromise (e.g., open neck procedure, airway surgery)
Complexity of surgical procedure or complex surgical approach
Complex post-operative wound care (e.g., complex drain management, open wound, prior radiation or surgery-related tissue injury, impaired circulation)
Difficult approach because of previous operation
Extensive or prolonged surgery
Need for preoperative diagnostic studies not performable as outpatient
Residence distant to facility with potential for urgent complications and no appropriate temporary residence
Pre- or post-operative inpatient monitoring or treatment related to need to discontinue drugs or other therapies
Acute Kidney Injury
Altered mental status that is severe or persistent
Ambulatory or activity level not achieved
Conversion to open or complex procedure
Excessive drainage or bleeding from operative site
Hemodynamic instability
Longer postoperative monitoring due to preoperative drug use
Pain, fever, or vomiting not appropriate for ambulatory care
Severe procedural complications (e.g., bowel injury, airway compromise, vascular injury)
Unstable clinical status

Prior Authorization

Use of InterQual criteria and state reference

UnitedHealthcare uses InterQual criteria to support medical necessity and level-of-care decisions. For clinical coverage criteria, providers should also refer to the Indiana Health Coverage Programs, Provider Reference Module: Surgical Services.

Definitions and Evidence References

Background: UnitedHealthcare uses InterQual as a referenced source of medical evidence for medical necessity and level-of-care decisions. This Indiana-specific policy supplements InterQual by listing medical conditions, procedure-related risk factors, surgical planning needs, and procedural events that may justify a planned elective inpatient admission for certain surgeries or procedures in Indiana.

Definitions

Unsupported block type: criteria

Evidence / References

KDIGO AKI definition referenceKDIGO, 2012 criteria for Acute Kidney Injury

AASM OSA severity definitionsAASM 2008 definitions for AHI severity

ASA Physical StatusASA Physical Status Classification System (ASA, 2020) — ASA III or greater noted as anesthetic risk factor

Hemodynamic Instability sourceSevransky J., clinical assessment of hemodynamically unstable patients (2009) — criteria listed in policy

Revision History

02/01/2026summary_of_changes (non-material)Latest

Summary of Changes dated 02/01/2026: Updated definition of 'American Society of Anesthesiologists Physical Status Classification System Risk Scoring Tool' and updated Clinical Evidence and References sections; Archived previous policy version CS182IN.06.