CurrentBlue Cross Blue Shield - Rhode IslandPolicy N/A

Ambulatory Blood Pressure Monitoring (ABPM) - Coverage Criteria

Policy governs coverage of 24-hour ambulatory blood pressure monitoring (fully automated devices) for Commercial Products of Blue Cross Blue Shield - Rhode Island, describing indications, coding, and coverage stance. It does not apply to Medicare Advantage Plans (see related policies).

Policy Summary

PayerBlue Cross Blue Shield - Rhode Island

PolicyAmbulatory Blood Pressure Monitoring (ABPM) - Coverage Criteria

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateJan 12, 2016

Next Review DateN/A

Key ActionUse ABPM one time to evaluate suspected white-coat hypertension when office BP is mild-to-moderate (<180/110 mm Hg) and there is no end-organ damage; verify member benefits.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

24-hourmonitoring duration

1single use recommended

93784–93790covered CPT codes

A4670not covered HCPCS

Coverage Criteria for Ambulatory Blood Pressure Monitoring (ABPM)

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Covered indication: Suspected white-coat hypertension

Ambulatory blood pressure monitoring is covered for evaluation of suspected white-coat hypertension when ALL of the following conditions are met:

White-coat evaluation criteria: 1) Purpose is to evaluate suspected 'white-coat hypertension' (elevated office BP with normal out-of-office readings). 2) Performed one time to differentiate white-coat hypertension from true hypertension. 3) Office BP elevation is mild-to-moderate (<180/110 mm Hg) and not requiring immediate treatment. 4) Absence of hypertensive end-organ damage on physical exam and laboratory testing.see node text

From policy Background and Coverage statements.

Ambulatory blood pressure monitoring (ABPM) is covered by Blue Cross Blue Shield – Rhode Island for the evaluation of suspected white-coat hypertension when policy indications are met. The policy explicitly excludes other uses of ABPM for patients with elevated office blood pressure — including, but not limited to, repeated testing in patients with persistently elevated office BP — which are considered not medically necessary due to insufficient evidence of improved health outcomes.

The use of ABPM for repeated testing in patients with persistently elevated office blood pressure or for monitoring treatment effectiveness is stated as not medically necessary; the policy cites insufficient evidence that these applications improve health outcomes and therefore they may be denied.

Coding and Diagnosis Codes

Covered CPT CodesCPTCovered

93784	Ambulatory blood pressure monitoring, utilizing report-generating software, automated, worn continuously for 24 hours or longer; including recording, scanning analysis, interpretation and report.
93786	Ambulatory blood pressure monitoring, utilizing report-generating software, automated, worn continuously for 24 hours or longer; recording only.
93788	Ambulatory blood pressure monitoring, utilizing report-generating software, automated, worn continuously for 24 hours or longer; scanning analysis with report.
93790	Ambulatory blood pressure monitoring, utilizing report-generating software, automated, worn continuously for 24 hours or longer; review with interpretation and report.

Not coveredHCPCSNot Covered

A4670

Automatic blood pressure monitor

ICD-10 diagnosis codes that may support medical necessityICD-10

I10	Essential (primary) hypertension
I11.0-11.9	Hypertensive heart disease (range listed)
R03.0	Elevated blood-pressure reading, without diagnosis of hypertension
Z01.30-Z01.31	Encounter for examination of blood pressure without abnormal findings / with abnormal findings (range listed)

inv-07: Office blood pressure severity — numeric threshold/detail

Office blood pressure severityMild-to-moderate elevation defined as <180/110 mm Hg (not requiring immediate medication)

Requirement for ABPM usePerformed one time to differentiate white-coat hypertension from sustained hypertension

Associated clinical conditionAbsence of hypertensive end-organ damage on exam and laboratory testing is required

Provider Actions and Documentation Requirements

Prior Authorization

Not applicable

Note

Benefit Verification

Benefits may vary between groups and contracts. Verify member-specific coverage and any plan-required steps by checking the member's Benefit Booklet, Evidence of Coverage, or Subscriber Agreement prior to ordering ABPM.

Check Benefit Booklet / Evidence of Coverage for plan-specific coverage and prior-authorization steps
Confirm member eligibility and any applicable cost-sharing or benefit limits

Documentation Required

Supporting Clinical Documentation

Supporting clinical documentation should demonstrate the clinical indication and that criteria for ABPM to evaluate suspected white-coat hypertension are met. Documentation should include: elevated office blood pressure readings in the mild-to-moderate range (<180/110 mm Hg) without immediate need for pharmacologic treatment; absence of hypertensive end-organ damage on exam and relevant laboratory testing; and that ABPM is being performed one time to differentiate white-coat hypertension from sustained hypertension.

Office BP readings and dates showing elevation
Clinical assessment documenting absence of end-organ damage (e.g., normal cardiac/renal exam, appropriate labs)
Statement that ABPM is requested to evaluate suspected white-coat hypertension and will be performed one time for diagnostic clarification

Denial Risk

Not Medically Necessary Uses

Ambulatory blood pressure monitoring for other uses in patients with elevated office blood pressure — including repeated testing in patients with persistently elevated office BP and use for monitoring treatment effectiveness — is considered not medically necessary.

Not medically necessary: repeated ABPM for persistently elevated office BP
Not medically necessary: ABPM for routine monitoring of antihypertensive treatment effectiveness

Background

Ambulatory blood pressure monitoring (ABPM) is a fully automated technique typically performed over a 24-hour period that records multiple blood pressure readings during a patient’s normal daily activities. The policy frames ABPM as a tool to better characterize out-of-office blood pressure and to distinguish suspected white-coat hypertension from sustained hypertension when used according to coverage indications.

Definitions

inv-13: White-coat hypertension (WCH) — definition and clinical context

DefinitionElevated office blood pressure with normal blood pressure readings outside the physician's office (white-coat hypertension)

Probable causeMay be related to an 'alerting' or anxiety reaction associated with visiting the physician's office

Clinical significanceABPM can identify patients with normal ambulatory readings who do not have sustained hypertension and may avoid unnecessary antihypertensive treatment

Typical monitoring durationUsually performed over a 24-hour period with a fully automated monitor