MCMedicalCodingSoftware
BY4GZZZ

BY4GZZZUltrasonography of Third Trimester, Multiple Gestation

Billable / specific codeICD-10-PCS

CMS abbreviated title: Ultrasonography of Third Trimester, Multiple Gestation

How BY4GZZZ is built

Every ICD-10-PCS code is seven independent character positions. Each one is a separate decision, and the meaning of a character depends on the positions before it.

  1. BSectionImaging — What family of procedure this is
  2. YBody systemWhich system it acts on
  3. 4Root operationThe objective — the verb of the procedure
  4. GBody partThe specific site
  5. ZApproachHow the site was reached
  6. ZDeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near BY4GZZZ

In CMS’s own ordering, which groups codes that differ by only the last character or two — usually the approach, device or qualifier.

  • BY47ZZZUltrasonography of Fetal Umbilical Cord
  • BY48ZZZUltrasonography of Placenta
  • BY49ZZZUltrasonography of First Trimester, Single Fetus
  • BY4BZZZUltrasonography of First Trimester, Multiple Gestation
  • BY4CZZZUltrasonography of Second Trimester, Single Fetus
  • BY4DZZZUltrasonography of Second Trimester, Multiple Gestation
  • BY4FZZZUltrasonography of Third Trimester, Single Fetus
  • BY4GZZZUltrasonography of Third Trimester, Multiple Gestation
  • C0101ZZPlanar Nuclear Medicine Imaging of Brain using Technetium 99m (Tc-99m)
  • C010YZZPlanar Nuclear Medicine Imaging of Brain using Other Radionuclide
  • C015DZZPlanar Nuclear Medicine Imaging of Cerebrospinal Fluid using Indium 111 (In-111)
  • C015YZZPlanar Nuclear Medicine Imaging of Cerebrospinal Fluid using Other Radionuclide
  • C01YYZZPlanar Nuclear Medicine Imaging of Central Nervous System using Other Radionuclide
  • C0201ZZTomographic (Tomo) Nuclear Medicine Imaging of Brain using Technetium 99m (Tc-99m)
ICD-10-PCSFY2026