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D91BBYZ

D91BBYZ — Low Dose Rate (LDR) Brachytherapy of Larynx using Other Isotope

Billable / specific codeICD-10-PCS

CMS abbreviated title: LDR Brachytherapy of Larynx using Oth Isotope

How D91BBYZ 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. BBody 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 D91BBYZ

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

  • D91B9YZHigh Dose Rate (HDR) Brachytherapy of Larynx using Other Isotope
  • D91BB6ZLow Dose Rate (LDR) Brachytherapy of Larynx using Cesium 131 (Cs-131)
  • D91BB7ZLow Dose Rate (LDR) Brachytherapy of Larynx using Cesium 137 (Cs-137)
  • D91BB8ZLow Dose Rate (LDR) Brachytherapy of Larynx using Iridium 192 (Ir-192)
  • D91BB9ZLow Dose Rate (LDR) Brachytherapy of Larynx using Iodine 125 (I-125)
  • D91BBB1Low Dose Rate (LDR) Brachytherapy of Larynx using Palladium 103 (Pd-103), Unidirectional Source
  • D91BBBZLow Dose Rate (LDR) Brachytherapy of Larynx using Palladium 103 (Pd-103)
  • D91BBCZLow Dose Rate (LDR) Brachytherapy of Larynx using Californium 252 (Cf-252)
  • D91BBYZLow Dose Rate (LDR) Brachytherapy of Larynx using Other Isotope
  • D91D97ZHigh Dose Rate (HDR) Brachytherapy of Nasopharynx using Cesium 137 (Cs-137)
  • D91D98ZHigh Dose Rate (HDR) Brachytherapy of Nasopharynx using Iridium 192 (Ir-192)
  • D91D99ZHigh Dose Rate (HDR) Brachytherapy of Nasopharynx using Iodine 125 (I-125)
  • D91D9BZHigh Dose Rate (HDR) Brachytherapy of Nasopharynx using Palladium 103 (Pd-103)
  • D91D9CZHigh Dose Rate (HDR) Brachytherapy of Nasopharynx using Californium 252 (Cf-252)
  • 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)
ICD-10-PCSFY2026