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CH121ZZ

CH121ZZ — Planar Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m)

Billable / specific codeICD-10-PCS

CMS abbreviated title: Planar Nucl Med Imag of Bilat Breast using Technetium 99m

How CH121ZZ 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. 1Root 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 CH121ZZ

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

  • CG4YYZZNonimaging Nuclear Medicine Uptake of Endocrine System using Other Radionuclide
  • CH101ZZPlanar Nuclear Medicine Imaging of Right Breast using Technetium 99m (Tc-99m)
  • CH10SZZPlanar Nuclear Medicine Imaging of Right Breast using Thallium 201 (Tl-201)
  • CH10YZZPlanar Nuclear Medicine Imaging of Right Breast using Other Radionuclide
  • CH111ZZPlanar Nuclear Medicine Imaging of Left Breast using Technetium 99m (Tc-99m)
  • CH11SZZPlanar Nuclear Medicine Imaging of Left Breast using Thallium 201 (Tl-201)
  • CH11YZZPlanar Nuclear Medicine Imaging of Left Breast using Other Radionuclide
  • CH121ZZPlanar Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m)
  • CH12SZZPlanar Nuclear Medicine Imaging of Bilateral Breasts using Thallium 201 (Tl-201)
  • 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)
ICD-10-PCSFY2026