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D91DBYZ

D91DBYZ — Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Other Isotope

Billable / specific codeICD-10-PCS

CMS abbreviated title: LDR Brachytherapy of Nasopharynx using Oth Isotope

How D91DBYZ 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. DBody partThe specific site
  5. BApproachHow the site was reached
  6. YDeviceWhat was left in place, if anything
  7. ZQualifierA further distinction where one applies

Codes near D91DBYZ

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

  • D91D9YZHigh Dose Rate (HDR) Brachytherapy of Nasopharynx using Other Isotope
  • D91DB6ZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Cesium 131 (Cs-131)
  • D91DB7ZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Cesium 137 (Cs-137)
  • D91DB8ZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Iridium 192 (Ir-192)
  • D91DB9ZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Iodine 125 (I-125)
  • D91DBB1Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Palladium 103 (Pd-103), Unidirectional Source
  • D91DBBZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Palladium 103 (Pd-103)
  • D91DBCZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Californium 252 (Cf-252)
  • D91DBYZLow Dose Rate (LDR) Brachytherapy of Nasopharynx using Other Isotope
  • D91F97ZHigh Dose Rate (HDR) Brachytherapy of Oropharynx using Cesium 137 (Cs-137)
  • D91F98ZHigh Dose Rate (HDR) Brachytherapy of Oropharynx using Iridium 192 (Ir-192)
  • D91F99ZHigh Dose Rate (HDR) Brachytherapy of Oropharynx using Iodine 125 (I-125)
  • D91F9BZHigh Dose Rate (HDR) Brachytherapy of Oropharynx using Palladium 103 (Pd-103)
  • D91F9CZHigh Dose Rate (HDR) Brachytherapy of Oropharynx using Californium 252 (Cf-252)
  • D91F9YZHigh Dose Rate (HDR) Brachytherapy of Oropharynx using Other Isotope
  • D91FB6ZLow Dose Rate (LDR) Brachytherapy of Oropharynx using Cesium 131 (Cs-131)
  • D91FB7ZLow Dose Rate (LDR) Brachytherapy of Oropharynx using Cesium 137 (Cs-137)
ICD-10-PCSFY2026