MCMedicalCodingSoftware
BW4FZZZ

BW4FZZZUltrasonography of Neck

Billable / specific codeICD-10-PCS

CMS abbreviated title: Ultrasonography of Neck

How BW4FZZZ 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. WBody systemWhich system it acts on
  3. 4Root operationThe objective — the verb of the procedure
  4. FBody 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 BW4FZZZ

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

  • BW3HYZZMagnetic Resonance Imaging (MRI) of Retroperitoneum using Other Contrast
  • BW3HZZZMagnetic Resonance Imaging (MRI) of Retroperitoneum
  • BW3PY0ZMagnetic Resonance Imaging (MRI) of Brachial Plexus using Other Contrast, Unenhanced and Enhanced
  • BW3PYZZMagnetic Resonance Imaging (MRI) of Brachial Plexus using Other Contrast
  • BW3PZZZMagnetic Resonance Imaging (MRI) of Brachial Plexus
  • BW40ZZZUltrasonography of Abdomen
  • BW41ZZZUltrasonography of Abdomen and Pelvis
  • BW4FZZZUltrasonography of Neck
  • BW4GZZZUltrasonography of Pelvic Region
  • BW52Z1ZOther Imaging of Trunk using Bacterial Autofluorescence
  • BW59Z1ZOther Imaging of Head and Neck using Bacterial Autofluorescence
  • BW5CZ1ZOther Imaging of Lower Extremity using Bacterial Autofluorescence
  • BW5JZ1ZOther Imaging of Upper Extremity using Bacterial Autofluorescence
  • BY30Y0ZMagnetic Resonance Imaging (MRI) of Fetal Head using Other Contrast, Unenhanced and Enhanced
ICD-10-PCSFY2026