MCMedicalCodingSoftware
B90HZZZ

B90HZZZ — Plain Radiography of Mastoids

Billable / specific codeICD-10-PCS

CMS abbreviated title: Plain Radiography of Mastoids

How B90HZZZ 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. 9Body systemWhich system it acts on
  3. 0Root operationThe objective — the verb of the procedure
  4. HBody 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 B90HZZZ

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

  • B90BYZZPlain Radiography of Right Salivary Gland using Other Contrast
  • B90C0ZZPlain Radiography of Left Salivary Gland using High Osmolar Contrast
  • B90C1ZZPlain Radiography of Left Salivary Gland using Low Osmolar Contrast
  • B90CYZZPlain Radiography of Left Salivary Gland using Other Contrast
  • B90D0ZZPlain Radiography of Bilateral Salivary Glands using High Osmolar Contrast
  • B90D1ZZPlain Radiography of Bilateral Salivary Glands using Low Osmolar Contrast
  • B90DYZZPlain Radiography of Bilateral Salivary Glands using Other Contrast
  • B90FZZZPlain Radiography of Nasopharynx/Oropharynx
  • B90HZZZPlain Radiography of Mastoids
  • B91GYZZFluoroscopy of Pharynx and Epiglottis using Other Contrast
  • B91GZZZFluoroscopy of Pharynx and Epiglottis
  • B91JYZZFluoroscopy of Larynx using Other Contrast
  • B91JZZZFluoroscopy of Larynx
  • B92000ZComputerized Tomography (CT Scan) of Ear using High Osmolar Contrast, Unenhanced and Enhanced
  • B9200ZZComputerized Tomography (CT Scan) of Ear using High Osmolar Contrast
ICD-10-PCSFY2026