CurrentUnitedHealthcarePolicy CS182KY.06

Elective Inpatient Services (for Kentucky Only)

Defines medical necessity criteria for planned elective inpatient admissions for certain surgeries or procedures for UnitedHealthcare Community Plan members in Kentucky, specifying patient, procedure, and perioperative factors that justify inpatient rather than outpatient/observation care.

Policy Summary

PayerUnitedHealthcare

PolicyElective Inpatient Services (for Kentucky Only)

Policy CodePolicy CS182KY.06

Change TypeRoutine reviewno change

Effective DateJan 1, 2025

Next Review Date

Key ActionProvider must document which specific medical condition(s), procedure-related factors, or procedural events meet the policy criteria supporting inpatient admission (e.g., GFR value, ASA class, AHI, recent stroke/TIA, hemodynamic instability).

SourceLink

POLICY UPDATE CHANGES

Routine review; no change to coverage guidelines.

MultipleCovered Indications

KentuckyGeographic Scope

Coverage Summary

This Kentucky-only policy defines medical necessity criteria for planned elective inpatient admissions for certain surgeries and procedures. UnitedHealthcare uses InterQual criteria to support medical necessity and level-of-care decisions. Policy status: Covered with criteria (CURRENT, effective 01/01/2025).

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Provider Actions & Documentation Requirements

Documentation Required

Document justification for inpatient admission

Document which specific medical condition(s), procedure-related factors, or procedural events meet the policy criteria supporting inpatient admission. Include concrete, measurable details when relevant (for example: reported GFR value (e.g., GFR ≤ 30 mL/min), documented ASA physical status class, measured AHI value, date of recent stroke/TIA, or specific signs of hemodynamic instability). Examples: “GFR 28 mL/min (meets severe renal disease threshold),” “ASA class III,” “AHI 32 (severe OSA),” or “stroke 6 weeks ago.”

Include numeric or dated evidence when applicable (e.g., lab values, sleep study AHI, ASA class, dates of events).
Specify the procedure-related risk factor or perioperative event that justifies inpatient care (e.g., complex dissection, risk of postoperative airway compromise, need for postoperative monitoring due to preoperative drug discontinuation).
If citing residence or access concerns, document distance to facility and lack of appropriate nearby temporary residence.

Documentation Required

Document acute kidney injury per KDIGO criteria

If Acute Kidney Injury (AKI) is cited as the reason for inpatient admission, document one of the KDIGO-defined criteria. Acceptable documentation includes any one of the following: increase in serum creatinine to ≥1.5× baseline within the prior 7 days; increase in serum creatinine of ≥0.3 mg/dL within 48 hours; reduction of >50% in estimated glomerular filtration rate (eGFR) from baseline; or urine output ≤0.5 mL/kg/hour for 6 hours.

Increase in serum creatinine ≥1.5× baseline within prior 7 days.
Increase in serum creatinine ≥0.3 mg/dL within 48 hours.
Reduction >50% in eGFR from baseline.
Urine volume ≤0.5 mL/kg/hour for 6 hours.

Background & Evidence

UnitedHealthcare relies on InterQual as a primary evidence source to inform medical necessity and level-of-care decisions for elective inpatient services; InterQual is used alongside clinician judgment and other guideline sources as applicable.

The policy provides a non-exhaustive list of patient comorbidities, procedure-related risk factors, and perioperative/procedural events that can justify a planned elective inpatient admission rather than outpatient or observation care. Examples include severe renal disease (GFR ≤ 30 mL/min), recent stroke/TIA, symptomatic coronary artery disease or heart failure, ASA class III or greater, advanced age (≥ 85 years), moderate to severe sleep apnea (AHI thresholds), high thromboembolism risk, procedure complexity, conversion to open/complex procedure, acute kidney injury, hemodynamic instability, and other unstable clinical or post-operative conditions.

The policy notes routine review with an effective date of 01/01/2025 and archives the prior policy version (CS182KY.05).

Evidence

Source frameworks referencedInterQual, AASM, ACC/AHA, AHA, ASA, GINA

Acute Kidney Injury: Defined by any of the following KDIGO criteria: increase in serum creatinine ≥1.5× baseline within prior 7 days; OR increase in serum creatinine ≥0.3 mg/dL in 48 hours; OR reduction >50% in eGFR from baseline; OR urine volume ≤0.5 mL/kg/hour for 6 hours.

Apnea Hypopnea Index (AHI): The number of apneas plus hypopneas during total sleep, times 60, divided by total sleep time in minutes; units: events/hour. Severity thresholds referenced in the policy include moderate AHI 15–30 and severe AHI > 30.

Hemodynamic Instability: A vital sign abnormality not readily corrected by treatment, indicated by one or more of: urine output <0.5 mL/kg/hr, systolic BP ≤90 mm Hg or decrease >40 mm Hg, MAP <65 mm Hg, altered level of consciousness, capillary refill >3 seconds, shortness of breath, or persistent tachycardia.