CurrentEmblemHealthPolicy MG.MM.ME.32cC4

Home Uterine Activity Monitoring

EmblemHealth guideline describing medical necessity criteria for coverage of home uterine activity monitors for members receiving high-risk prenatal care evaluated by a perinatologist, with applicable procedure and ICD-10 diagnosis codes listed.

Policy Summary

PayerEmblemHealth

PolicyHome Uterine Activity Monitoring

Policy CodePolicy MG.MM.ME.32cC4

Change TypeClarification (non-material)

Effective Date

Next Review Date

Key ActionTreating physician must submit clinical evidence that the patient meets criteria and member must be evaluated by a perinatologist for HUAM prior authorization.

POLICY UPDATE CHANGES

No material clinical or coverage changes; revision history notes historical clarification for twin gestation during the COVID-19 emergency.

6Primary coverage criteria listed

2Procedure/HCPCS codes

200+ICD-10 codes enumerated

Coverage Summary

Policy number MG.MM.ME.32cC4. EmblemHealth guideline for Home Uterine Activity Monitoring (HUAM) — status: CURRENT (Last review date: April 11, 2025). Scope: HUAM is covered with criteria for members receiving high-risk prenatal care who have been evaluated by a perinatologist; eligibility requires meeting one or more specified medical criteria for high-risk prenatal monitoring.

Medically Necessary Coverage Criteria

Members receiving high risk prenatal care who have been evaluated by a perinatologist are eligible for HUAM coverage when ANY of the following criteria are met:

History or current preterm labor (PTL): History or current PTL with documented cervical changes (dilation or effacement)
Multiple gestation pregnancy (≥ 2)>= 2
Covered for twins during COVID emergency (historical revision noted)
Non-detectable contractions: Contractions not self-detectable secondary to physiologic condition (ie, neuromuscular disorder, paralysis, etc)
Positive fetal fibronectin with progressive cervical change: Women with a positive fetal fibronectin test and progressive cervical changes despite treatment with multiple tocolytics>= 20 weeks and < 36 weeks; cervical length < 2.5 cm (documented by vaginal probe ultrasound)
Document gestational age, positive fetal fibronectin, cervical length <2.5 cm by vaginal probe ultrasound, and failure of multiple tocolytics.
Other high-risk factors: Presence of risk factors that increase risk of preterm birth (eg, placenta previa with hemorrhage; history of classical cesarean section or deep myomectomy with contractions/cervical change in index pregnancy such that woman cannot safely tolerate contractions)
Incompetent cervix as documented by need for cerclage or signs of cervical incompetence (funneling on Valsalva, silent shortening)

Provider Actions

Prior Authorization

Perinatologist evaluation required

Member must be receiving high‑risk prenatal care and have been evaluated by a perinatologist for HUAM eligibility. The treating physician must submit clinical evidence that the patient meets the criteria for prior authorization.

Documentation Required

Document cervical change or supporting tests

For PTL criteria, documentation of cervical changes (dilation/effacement) is required. For the fetal fibronectin pathway, document gestational age, a positive fetal fibronectin test, cervical length less than 2.5 cm by vaginal probe ultrasound, and failure of multiple tocolytics.

Document cervical changes (dilation or effacement)
Positive fetal fibronectin result
Gestational age ≥ 20 weeks and < 36 weeks
Cervical length < 2.5 cm documented by vaginal probe ultrasound
Failure of multiple tocolytics (progressive cervical changes despite treatment)

Background & Evidence

Background: HUAM is defined as an electronic system (tocotransducer, recorder, modem, data receive/process/display computer/monitor) that measures and transmits uterine contraction data for detection of preterm labor. The guideline scope applies to members at increased risk of preterm birth (for example, multiple gestation, prior PTL, cervical or uterine abnormalities) and includes a COVID-19 emergency clarification that HUAM for twin gestation was considered medically necessary throughout the COVID-19 state of emergency.

Evidence & Definitions

Guideline referencesACOG Practice Bulletins (2001, 2016); FDA HUAM guidance (2001); Mayo Clinic resources

Preterm labor (PTL)Labor onset after 20 weeks gestation to less than 37 weeks.

Preterm birthBirth prior to 37 weeks gestation.

Home uterine activity monitor (HUAM)Electronic system (tocotransducer, recorder, modem, data receive/process/display) that measures and transmits uterine contraction data for PTL detection.