Diagnostic Services | UnityPoint Health Grinnell Regional Medical Cent

Diagnostic Services

Radiologic Diagnostic Imaging

The radiology department focuses on patient comforts, patient privacy, patient satisfaction and operational efficiency. The staff provides 24-hour coverage at UnityPoint Health – Grinnell Regional Medical Center.
Call (641) 236-2355 or email us.


GRMC operates a full laboratory with 24-hour coverage for fast results. A wide range of diagnostic tests allows physicians to diagnose cardiac concerns, cancer testing, thyroid disorders and hundreds of medical conditions.
Call us at (641) 236-2373.

Sleep Study Center

Our sleep lab offers a comprehensive diagnosis of sleep disorders. Melisa Coaker, MD, MA, with Chest, Infectious Disease, and Critical Care Associates, PC (CIC Associates), provides consultations and diagnosis for patients. Call (515) 223-9001 or email us.

Diagnostic Cardiopulmonary

Our cardiopulmonary department offers special diagnostic procedures including Electrocardiogram (ECG), Pulmonary Function Tests (PFT) and Electroencephalogram (EEG). It also provides services for inpatients. Call (641) 236-2346 for more information.