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B9221ZZ

B9221ZZ — Computerized Tomography (CT Scan) of Paranasal Sinuses using Low Osmolar Contrast

Billable / specific codeICD-10-PCS

CMS abbreviated title: CT Scan of Paranasal Sinus using L Osm Contrast

How B9221ZZ 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. 2Root operationThe objective — the verb of the procedure
  4. 2Body partThe specific site
  5. 1ApproachHow the site was reached
  6. ZDeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near B9221ZZ

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

  • B92010ZComputerized Tomography (CT Scan) of Ear using Low Osmolar Contrast, Unenhanced and Enhanced
  • B9201ZZComputerized Tomography (CT Scan) of Ear using Low Osmolar Contrast
  • B920Y0ZComputerized Tomography (CT Scan) of Ear using Other Contrast, Unenhanced and Enhanced
  • B920YZZComputerized Tomography (CT Scan) of Ear using Other Contrast
  • B920ZZZComputerized Tomography (CT Scan) of Ear
  • B92200ZComputerized Tomography (CT Scan) of Paranasal Sinuses using High Osmolar Contrast, Unenhanced and Enhanced
  • B9220ZZComputerized Tomography (CT Scan) of Paranasal Sinuses using High Osmolar Contrast
  • B92210ZComputerized Tomography (CT Scan) of Paranasal Sinuses using Low Osmolar Contrast, Unenhanced and Enhanced
  • B9221ZZComputerized Tomography (CT Scan) of Paranasal Sinuses using Low Osmolar Contrast
  • B922Y0ZComputerized Tomography (CT Scan) of Paranasal Sinuses using Other Contrast, Unenhanced and Enhanced
  • B922YZZComputerized Tomography (CT Scan) of Paranasal Sinuses using Other Contrast
  • B922ZZZComputerized Tomography (CT Scan) of Paranasal Sinuses
  • B92600ZComputerized Tomography (CT Scan) of Bilateral Parotid Glands using High Osmolar Contrast, Unenhanced and Enhanced
  • B9260ZZComputerized Tomography (CT Scan) of Bilateral Parotid Glands using High Osmolar Contrast
  • B92610ZComputerized Tomography (CT Scan) of Bilateral Parotid Glands using Low Osmolar Contrast, Unenhanced and Enhanced
  • B9261ZZComputerized Tomography (CT Scan) of Bilateral Parotid Glands using Low Osmolar Contrast
  • B926Y0ZComputerized Tomography (CT Scan) of Bilateral Parotid Glands using Other Contrast, Unenhanced and Enhanced
ICD-10-PCSFY2026