MCMedicalCodingSoftware
CG42GZZ

CG42GZZNonimaging Nuclear Medicine Uptake of Thyroid Gland using Iodine 131 (I-131)

Billable / specific codeICD-10-PCS

CMS abbreviated title: Nonimag Nucl Med Uptake of Thyroid Gland using Iodine 131

How CG42GZZ 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. GBody systemWhich system it acts on
  3. 4Root operationThe objective — the verb of the procedure
  4. 2Body partThe specific site
  5. GApproachHow the site was reached
  6. ZDeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near CG42GZZ

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

  • CG211ZZTomographic (Tomo) Nuclear Medicine Imaging of Parathyroid Glands using Technetium 99m (Tc-99m)
  • CG21SZZTomographic (Tomo) Nuclear Medicine Imaging of Parathyroid Glands using Thallium 201 (Tl-201)
  • CG21YZZTomographic (Tomo) Nuclear Medicine Imaging of Parathyroid Glands using Other Radionuclide
  • CG2YYZZTomographic (Tomo) Nuclear Medicine Imaging of Endocrine System using Other Radionuclide
  • CG421ZZNonimaging Nuclear Medicine Uptake of Thyroid Gland using Technetium 99m (Tc-99m)
  • CG42FZZNonimaging Nuclear Medicine Uptake of Thyroid Gland using Iodine 123 (I-123)
  • CG42GZZNonimaging Nuclear Medicine Uptake of Thyroid Gland using Iodine 131 (I-131)
  • CG42YZZNonimaging Nuclear Medicine Uptake of Thyroid Gland using Other Radionuclide
  • 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)
ICD-10-PCSFY2026