MCMedicalCodingSoftware
Free trial
D91599Z

D91599Z — High Dose Rate (HDR) Brachytherapy of Tongue using Iodine 125 (I-125)

Billable / specific codeICD-10-PCS

CMS abbreviated title: HDR Brachytherapy of Tongue using Iodine 125

How D91599Z 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. DSectionRadiation Therapy — What family of procedure this is
  2. 9Body systemWhich system it acts on
  3. 1Root operationThe objective — the verb of the procedure
  4. 5Body partThe specific site
  5. 9ApproachHow the site was reached
  6. 9DeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near D91599Z

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

  • D914B8ZLow Dose Rate (LDR) Brachytherapy of Mouth using Iridium 192 (Ir-192)
  • D914B9ZLow Dose Rate (LDR) Brachytherapy of Mouth using Iodine 125 (I-125)
  • D914BB1Low Dose Rate (LDR) Brachytherapy of Mouth using Palladium 103 (Pd-103), Unidirectional Source
  • D914BBZLow Dose Rate (LDR) Brachytherapy of Mouth using Palladium 103 (Pd-103)
  • D914BCZLow Dose Rate (LDR) Brachytherapy of Mouth using Californium 252 (Cf-252)
  • D914BYZLow Dose Rate (LDR) Brachytherapy of Mouth using Other Isotope
  • D91597ZHigh Dose Rate (HDR) Brachytherapy of Tongue using Cesium 137 (Cs-137)
  • D91598ZHigh Dose Rate (HDR) Brachytherapy of Tongue using Iridium 192 (Ir-192)
  • D91599ZHigh Dose Rate (HDR) Brachytherapy of Tongue using Iodine 125 (I-125)
  • D9159BZHigh Dose Rate (HDR) Brachytherapy of Tongue using Palladium 103 (Pd-103)
  • D9159CZHigh Dose Rate (HDR) Brachytherapy of Tongue using Californium 252 (Cf-252)
  • D9159YZHigh Dose Rate (HDR) Brachytherapy of Tongue using Other Isotope
  • D915B6ZLow Dose Rate (LDR) Brachytherapy of Tongue using Cesium 131 (Cs-131)
  • D915B7ZLow Dose Rate (LDR) Brachytherapy of Tongue using Cesium 137 (Cs-137)
  • D915B8ZLow Dose Rate (LDR) Brachytherapy of Tongue using Iridium 192 (Ir-192)
  • D915B9ZLow Dose Rate (LDR) Brachytherapy of Tongue using Iodine 125 (I-125)
  • D915BB1Low Dose Rate (LDR) Brachytherapy of Tongue using Palladium 103 (Pd-103), Unidirectional Source
ICD-10-PCSFY2026