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Q0114 Fern test

Q-Codes

Also known as: ferning test, fern test, crystallization test

Fern test (ferning test) performed on cervical mucus to assess estrogen effect and evaluate for rupture of membranes by identifying crystallization patterns.

Clinical Context

Used in obstetrics to evaluate premature rupture of membranes, assess cervical mucus ferning patterns for ovulation timing, and evaluate hormonal status in infertility evaluation.

RVU Breakdown

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Specialties

OB/GYNPathologyReproductive Endocrinology

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.