MCMedicalCodingSoftware
CH21YZZ

CH21YZZTomographic (Tomo) Nuclear Medicine Imaging of Left Breast using Other Radionuclide

Billable / specific codeICD-10-PCS

CMS abbreviated title: Tomo Nucl Med Imag of L Breast using Oth Radionuclide

How CH21YZZ 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. CSectionNuclear Medicine — What family of procedure this is
  2. HBody systemWhich system it acts on
  3. 2Root operationThe objective — the verb of the procedure
  4. 1Body partThe specific site
  5. YApproachHow the site was reached
  6. ZDeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near CH21YZZ

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

  • CH12YZZPlanar Nuclear Medicine Imaging of Bilateral Breasts using Other Radionuclide
  • CH1YYZZPlanar Nuclear Medicine Imaging of Skin, Subcutaneous Tissue and Breast using Other Radionuclide
  • CH201ZZTomographic (Tomo) Nuclear Medicine Imaging of Right Breast using Technetium 99m (Tc-99m)
  • CH20SZZTomographic (Tomo) Nuclear Medicine Imaging of Right Breast using Thallium 201 (Tl-201)
  • CH20YZZTomographic (Tomo) Nuclear Medicine Imaging of Right Breast using Other Radionuclide
  • CH211ZZTomographic (Tomo) Nuclear Medicine Imaging of Left Breast using Technetium 99m (Tc-99m)
  • CH21SZZTomographic (Tomo) Nuclear Medicine Imaging of Left Breast using Thallium 201 (Tl-201)
  • CH21YZZTomographic (Tomo) Nuclear Medicine Imaging of Left Breast using Other Radionuclide
  • CH221ZZTomographic (Tomo) Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m)
  • CH22SZZTomographic (Tomo) Nuclear Medicine Imaging of Bilateral Breasts using Thallium 201 (Tl-201)
  • CH22YZZTomographic (Tomo) Nuclear Medicine Imaging of Bilateral Breasts using Other Radionuclide
  • CH2YYZZTomographic (Tomo) Nuclear Medicine Imaging of Skin, Subcutaneous Tissue and Breast using Other Radionuclide
  • CP111ZZPlanar Nuclear Medicine Imaging of Skull using Technetium 99m (Tc-99m)
  • CP11YZZPlanar Nuclear Medicine Imaging of Skull using Other Radionuclide
  • CP141ZZPlanar Nuclear Medicine Imaging of Thorax using Technetium 99m (Tc-99m)
ICD-10-PCSFY2026