ICD-10-PCS Book 2026 Edition

Sections / D Radiation Therapy / D9 Ear, Nose, Mouth and Throat / D91 Brachytherapy
PCS Table D91
SectionDRadiation Therapy
Body System9Ear, Nose, Mouth and Throat
Modality1Brachytherapy
Treatment SiteModality QualifierIsotopeQualifier
0Ear
1Nose
3Hypopharynx
4Mouth
5Tongue
6Salivary Glands
7Sinuses
8Hard Palate
9Soft Palate
BLarynx
DNasopharynx
FOropharynx
9High Dose Rate (HDR)
7Cesium 137 (Cs-137)
8Iridium 192 (Ir-192)
9Iodine 125 (I-125)
BPalladium 103 (Pd-103)
CCalifornium 252 (Cf-252)
YOther Isotope
ZNone
0Ear
1Nose
3Hypopharynx
4Mouth
5Tongue
6Salivary Glands
7Sinuses
8Hard Palate
9Soft Palate
BLarynx
DNasopharynx
FOropharynx
BLow Dose Rate (LDR)
6Cesium 131 (Cs-131)
7Cesium 137 (Cs-137)
8Iridium 192 (Ir-192)
9Iodine 125 (I-125)
CCalifornium 252 (Cf-252)
YOther Isotope
ZNone
0Ear
1Nose
3Hypopharynx
4Mouth
5Tongue
6Salivary Glands
7Sinuses
8Hard Palate
9Soft Palate
BLarynx
DNasopharynx
FOropharynx
BLow Dose Rate (LDR)
BPalladium 103 (Pd-103)
1Unidirectional Source
ZNone

D91 prefixed ICD-10-PCS codes
D91097Z High Dose Rate (HDR) Brachytherapy of Ear using Cesium 137 (Cs-137)
D91098Z High Dose Rate (HDR) Brachytherapy of Ear using Iridium 192 (Ir-192)
D91099Z High Dose Rate (HDR) Brachytherapy of Ear using Iodine 125 (I-125)
D9109BZ High Dose Rate (HDR) Brachytherapy of Ear using Palladium 103 (Pd-103)
D9109CZ High Dose Rate (HDR) Brachytherapy of Ear using Californium 252 (Cf-252)
D9109YZ High Dose Rate (HDR) Brachytherapy of Ear using Other Isotope
D910B6Z Low Dose Rate (LDR) Brachytherapy of Ear using Cesium 131 (Cs-131)
D910B7Z Low Dose Rate (LDR) Brachytherapy of Ear using Cesium 137 (Cs-137)
D910B8Z Low Dose Rate (LDR) Brachytherapy of Ear using Iridium 192 (Ir-192)
D910B9Z Low Dose Rate (LDR) Brachytherapy of Ear using Iodine 125 (I-125)
D910BB1 Low Dose Rate (LDR) Brachytherapy of Ear using Palladium 103 (Pd-103), Unidirectional Source
D910BBZ Low Dose Rate (LDR) Brachytherapy of Ear using Palladium 103 (Pd-103)
D910BCZ Low Dose Rate (LDR) Brachytherapy of Ear using Californium 252 (Cf-252)
D910BYZ Low Dose Rate (LDR) Brachytherapy of Ear using Other Isotope
D91197Z High Dose Rate (HDR) Brachytherapy of Nose using Cesium 137 (Cs-137)
D91198Z High Dose Rate (HDR) Brachytherapy of Nose using Iridium 192 (Ir-192)
D91199Z High Dose Rate (HDR) Brachytherapy of Nose using Iodine 125 (I-125)
D9119BZ High Dose Rate (HDR) Brachytherapy of Nose using Palladium 103 (Pd-103)
D9119CZ High Dose Rate (HDR) Brachytherapy of Nose using Californium 252 (Cf-252)
D9119YZ High Dose Rate (HDR) Brachytherapy of Nose using Other Isotope
D911B6Z Low Dose Rate (LDR) Brachytherapy of Nose using Cesium 131 (Cs-131)
D911B7Z Low Dose Rate (LDR) Brachytherapy of Nose using Cesium 137 (Cs-137)
D911B8Z Low Dose Rate (LDR) Brachytherapy of Nose using Iridium 192 (Ir-192)
D911B9Z Low Dose Rate (LDR) Brachytherapy of Nose using Iodine 125 (I-125)
D911BB1 Low Dose Rate (LDR) Brachytherapy of Nose using Palladium 103 (Pd-103), Unidirectional Source
D911BBZ Low Dose Rate (LDR) Brachytherapy of Nose using Palladium 103 (Pd-103)
D911BCZ Low Dose Rate (LDR) Brachytherapy of Nose using Californium 252 (Cf-252)
D911BYZ Low Dose Rate (LDR) Brachytherapy of Nose using Other Isotope
D91397Z High Dose Rate (HDR) Brachytherapy of Hypopharynx using Cesium 137 (Cs-137)
D91398Z High Dose Rate (HDR) Brachytherapy of Hypopharynx using Iridium 192 (Ir-192)
D91399Z High Dose Rate (HDR) Brachytherapy of Hypopharynx using Iodine 125 (I-125)
D9139BZ High Dose Rate (HDR) Brachytherapy of Hypopharynx using Palladium 103 (Pd-103)
D9139CZ High Dose Rate (HDR) Brachytherapy of Hypopharynx using Californium 252 (Cf-252)
D9139YZ High Dose Rate (HDR) Brachytherapy of Hypopharynx using Other Isotope
D913B6Z Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Cesium 131 (Cs-131)
D913B7Z Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Cesium 137 (Cs-137)
D913B8Z Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Iridium 192 (Ir-192)
D913B9Z Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Iodine 125 (I-125)
D913BB1 Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Palladium 103 (Pd-103), Unidirectional Source
D913BBZ Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Palladium 103 (Pd-103)
D913BCZ Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Californium 252 (Cf-252)
D913BYZ Low Dose Rate (LDR) Brachytherapy of Hypopharynx using Other Isotope
D91497Z High Dose Rate (HDR) Brachytherapy of Mouth using Cesium 137 (Cs-137)
D91498Z High Dose Rate (HDR) Brachytherapy of Mouth using Iridium 192 (Ir-192)
D91499Z High Dose Rate (HDR) Brachytherapy of Mouth using Iodine 125 (I-125)
D9149BZ High Dose Rate (HDR) Brachytherapy of Mouth using Palladium 103 (Pd-103)
D9149CZ High Dose Rate (HDR) Brachytherapy of Mouth using Californium 252 (Cf-252)
D9149YZ High Dose Rate (HDR) Brachytherapy of Mouth using Other Isotope
D914B6Z Low Dose Rate (LDR) Brachytherapy of Mouth using Cesium 131 (Cs-131)
D914B7Z Low Dose Rate (LDR) Brachytherapy of Mouth using Cesium 137 (Cs-137)
D914B8Z Low Dose Rate (LDR) Brachytherapy of Mouth using Iridium 192 (Ir-192)
D914B9Z Low Dose Rate (LDR) Brachytherapy of Mouth using Iodine 125 (I-125)
D914BB1 Low Dose Rate (LDR) Brachytherapy of Mouth using Palladium 103 (Pd-103), Unidirectional Source
D914BBZ Low Dose Rate (LDR) Brachytherapy of Mouth using Palladium 103 (Pd-103)
D914BCZ Low Dose Rate (LDR) Brachytherapy of Mouth using Californium 252 (Cf-252)
D914BYZ Low Dose Rate (LDR) Brachytherapy of Mouth using Other Isotope
D91597Z High Dose Rate (HDR) Brachytherapy of Tongue using Cesium 137 (Cs-137)
D91598Z High Dose Rate (HDR) Brachytherapy of Tongue using Iridium 192 (Ir-192)
D91599Z High Dose Rate (HDR) Brachytherapy of Tongue using Iodine 125 (I-125)
D9159BZ High Dose Rate (HDR) Brachytherapy of Tongue using Palladium 103 (Pd-103)
D9159CZ High Dose Rate (HDR) Brachytherapy of Tongue using Californium 252 (Cf-252)
D9159YZ High Dose Rate (HDR) Brachytherapy of Tongue using Other Isotope
D915B6Z Low Dose Rate (LDR) Brachytherapy of Tongue using Cesium 131 (Cs-131)
D915B7Z Low Dose Rate (LDR) Brachytherapy of Tongue using Cesium 137 (Cs-137)
D915B8Z Low Dose Rate (LDR) Brachytherapy of Tongue using Iridium 192 (Ir-192)
D915B9Z Low Dose Rate (LDR) Brachytherapy of Tongue using Iodine 125 (I-125)
D915BB1 Low Dose Rate (LDR) Brachytherapy of Tongue using Palladium 103 (Pd-103), Unidirectional Source
D915BBZ Low Dose Rate (LDR) Brachytherapy of Tongue using Palladium 103 (Pd-103)
D915BCZ Low Dose Rate (LDR) Brachytherapy of Tongue using Californium 252 (Cf-252)
D915BYZ Low Dose Rate (LDR) Brachytherapy of Tongue using Other Isotope
D91697Z High Dose Rate (HDR) Brachytherapy of Salivary Glands using Cesium 137 (Cs-137)
D91698Z High Dose Rate (HDR) Brachytherapy of Salivary Glands using Iridium 192 (Ir-192)
D91699Z High Dose Rate (HDR) Brachytherapy of Salivary Glands using Iodine 125 (I-125)
D9169BZ High Dose Rate (HDR) Brachytherapy of Salivary Glands using Palladium 103 (Pd-103)
D9169CZ High Dose Rate (HDR) Brachytherapy of Salivary Glands using Californium 252 (Cf-252)
D9169YZ High Dose Rate (HDR) Brachytherapy of Salivary Glands using Other Isotope
D916B6Z Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Cesium 131 (Cs-131)
D916B7Z Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Cesium 137 (Cs-137)
D916B8Z Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Iridium 192 (Ir-192)
D916B9Z Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Iodine 125 (I-125)
D916BB1 Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Palladium 103 (Pd-103), Unidirectional Source
D916BBZ Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Palladium 103 (Pd-103)
D916BCZ Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Californium 252 (Cf-252)
D916BYZ Low Dose Rate (LDR) Brachytherapy of Salivary Glands using Other Isotope
D91797Z High Dose Rate (HDR) Brachytherapy of Sinuses using Cesium 137 (Cs-137)
D91798Z High Dose Rate (HDR) Brachytherapy of Sinuses using Iridium 192 (Ir-192)
D91799Z High Dose Rate (HDR) Brachytherapy of Sinuses using Iodine 125 (I-125)
D9179BZ High Dose Rate (HDR) Brachytherapy of Sinuses using Palladium 103 (Pd-103)
D9179CZ High Dose Rate (HDR) Brachytherapy of Sinuses using Californium 252 (Cf-252)
D9179YZ High Dose Rate (HDR) Brachytherapy of Sinuses using Other Isotope
D917B6Z Low Dose Rate (LDR) Brachytherapy of Sinuses using Cesium 131 (Cs-131)
D917B7Z Low Dose Rate (LDR) Brachytherapy of Sinuses using Cesium 137 (Cs-137)
D917B8Z Low Dose Rate (LDR) Brachytherapy of Sinuses using Iridium 192 (Ir-192)
D917B9Z Low Dose Rate (LDR) Brachytherapy of Sinuses using Iodine 125 (I-125)
D917BB1 Low Dose Rate (LDR) Brachytherapy of Sinuses using Palladium 103 (Pd-103), Unidirectional Source
D917BBZ Low Dose Rate (LDR) Brachytherapy of Sinuses using Palladium 103 (Pd-103)
D917BCZ Low Dose Rate (LDR) Brachytherapy of Sinuses using Californium 252 (Cf-252)
D917BYZ Low Dose Rate (LDR) Brachytherapy of Sinuses using Other Isotope
D91897Z High Dose Rate (HDR) Brachytherapy of Hard Palate using Cesium 137 (Cs-137)
D91898Z High Dose Rate (HDR) Brachytherapy of Hard Palate using Iridium 192 (Ir-192)
D91899Z High Dose Rate (HDR) Brachytherapy of Hard Palate using Iodine 125 (I-125)
D9189BZ High Dose Rate (HDR) Brachytherapy of Hard Palate using Palladium 103 (Pd-103)
D9189CZ High Dose Rate (HDR) Brachytherapy of Hard Palate using Californium 252 (Cf-252)
D9189YZ High Dose Rate (HDR) Brachytherapy of Hard Palate using Other Isotope
D918B6Z Low Dose Rate (LDR) Brachytherapy of Hard Palate using Cesium 131 (Cs-131)
D918B7Z Low Dose Rate (LDR) Brachytherapy of Hard Palate using Cesium 137 (Cs-137)
D918B8Z Low Dose Rate (LDR) Brachytherapy of Hard Palate using Iridium 192 (Ir-192)
D918B9Z Low Dose Rate (LDR) Brachytherapy of Hard Palate using Iodine 125 (I-125)
D918BB1 Low Dose Rate (LDR) Brachytherapy of Hard Palate using Palladium 103 (Pd-103), Unidirectional Source
D918BBZ Low Dose Rate (LDR) Brachytherapy of Hard Palate using Palladium 103 (Pd-103)
D918BCZ Low Dose Rate (LDR) Brachytherapy of Hard Palate using Californium 252 (Cf-252)
D918BYZ Low Dose Rate (LDR) Brachytherapy of Hard Palate using Other Isotope
D91997Z High Dose Rate (HDR) Brachytherapy of Soft Palate using Cesium 137 (Cs-137)
D91998Z High Dose Rate (HDR) Brachytherapy of Soft Palate using Iridium 192 (Ir-192)
D91999Z High Dose Rate (HDR) Brachytherapy of Soft Palate using Iodine 125 (I-125)
D9199BZ High Dose Rate (HDR) Brachytherapy of Soft Palate using Palladium 103 (Pd-103)
D9199CZ High Dose Rate (HDR) Brachytherapy of Soft Palate using Californium 252 (Cf-252)
D9199YZ High Dose Rate (HDR) Brachytherapy of Soft Palate using Other Isotope
D919B6Z Low Dose Rate (LDR) Brachytherapy of Soft Palate using Cesium 131 (Cs-131)
D919B7Z Low Dose Rate (LDR) Brachytherapy of Soft Palate using Cesium 137 (Cs-137)
D919B8Z Low Dose Rate (LDR) Brachytherapy of Soft Palate using Iridium 192 (Ir-192)
D919B9Z Low Dose Rate (LDR) Brachytherapy of Soft Palate using Iodine 125 (I-125)
D919BB1 Low Dose Rate (LDR) Brachytherapy of Soft Palate using Palladium 103 (Pd-103), Unidirectional Source
D919BBZ Low Dose Rate (LDR) Brachytherapy of Soft Palate using Palladium 103 (Pd-103)
D919BCZ Low Dose Rate (LDR) Brachytherapy of Soft Palate using Californium 252 (Cf-252)
D919BYZ Low Dose Rate (LDR) Brachytherapy of Soft Palate using Other Isotope
D91B97Z High Dose Rate (HDR) Brachytherapy of Larynx using Cesium 137 (Cs-137)
D91B98Z High Dose Rate (HDR) Brachytherapy of Larynx using Iridium 192 (Ir-192)
D91B99Z High Dose Rate (HDR) Brachytherapy of Larynx using Iodine 125 (I-125)
D91B9BZ High Dose Rate (HDR) Brachytherapy of Larynx using Palladium 103 (Pd-103)
D91B9CZ High Dose Rate (HDR) Brachytherapy of Larynx using Californium 252 (Cf-252)
D91B9YZ High Dose Rate (HDR) Brachytherapy of Larynx using Other Isotope
D91BB6Z Low Dose Rate (LDR) Brachytherapy of Larynx using Cesium 131 (Cs-131)
D91BB7Z Low Dose Rate (LDR) Brachytherapy of Larynx using Cesium 137 (Cs-137)
D91BB8Z Low Dose Rate (LDR) Brachytherapy of Larynx using Iridium 192 (Ir-192)
D91BB9Z Low Dose Rate (LDR) Brachytherapy of Larynx using Iodine 125 (I-125)
D91BBB1 Low Dose Rate (LDR) Brachytherapy of Larynx using Palladium 103 (Pd-103), Unidirectional Source
D91BBBZ Low Dose Rate (LDR) Brachytherapy of Larynx using Palladium 103 (Pd-103)
D91BBCZ Low Dose Rate (LDR) Brachytherapy of Larynx using Californium 252 (Cf-252)
D91BBYZ Low Dose Rate (LDR) Brachytherapy of Larynx using Other Isotope
D91D97Z High Dose Rate (HDR) Brachytherapy of Nasopharynx using Cesium 137 (Cs-137)
D91D98Z High Dose Rate (HDR) Brachytherapy of Nasopharynx using Iridium 192 (Ir-192)
D91D99Z High Dose Rate (HDR) Brachytherapy of Nasopharynx using Iodine 125 (I-125)
D91D9BZ High Dose Rate (HDR) Brachytherapy of Nasopharynx using Palladium 103 (Pd-103)
D91D9CZ High Dose Rate (HDR) Brachytherapy of Nasopharynx using Californium 252 (Cf-252)
D91D9YZ High Dose Rate (HDR) Brachytherapy of Nasopharynx using Other Isotope
D91DB6Z Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Cesium 131 (Cs-131)
D91DB7Z Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Cesium 137 (Cs-137)
D91DB8Z Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Iridium 192 (Ir-192)
D91DB9Z Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Iodine 125 (I-125)
D91DBB1 Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Palladium 103 (Pd-103), Unidirectional Source
D91DBBZ Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Palladium 103 (Pd-103)
D91DBCZ Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Californium 252 (Cf-252)
D91DBYZ Low Dose Rate (LDR) Brachytherapy of Nasopharynx using Other Isotope
D91F97Z High Dose Rate (HDR) Brachytherapy of Oropharynx using Cesium 137 (Cs-137)
D91F98Z High Dose Rate (HDR) Brachytherapy of Oropharynx using Iridium 192 (Ir-192)
D91F99Z High Dose Rate (HDR) Brachytherapy of Oropharynx using Iodine 125 (I-125)
D91F9BZ High Dose Rate (HDR) Brachytherapy of Oropharynx using Palladium 103 (Pd-103)
D91F9CZ High Dose Rate (HDR) Brachytherapy of Oropharynx using Californium 252 (Cf-252)
D91F9YZ High Dose Rate (HDR) Brachytherapy of Oropharynx using Other Isotope
D91FB6Z Low Dose Rate (LDR) Brachytherapy of Oropharynx using Cesium 131 (Cs-131)
D91FB7Z Low Dose Rate (LDR) Brachytherapy of Oropharynx using Cesium 137 (Cs-137)
D91FB8Z Low Dose Rate (LDR) Brachytherapy of Oropharynx using Iridium 192 (Ir-192)
D91FB9Z Low Dose Rate (LDR) Brachytherapy of Oropharynx using Iodine 125 (I-125)
D91FBB1 Low Dose Rate (LDR) Brachytherapy of Oropharynx using Palladium 103 (Pd-103), Unidirectional Source
D91FBBZ Low Dose Rate (LDR) Brachytherapy of Oropharynx using Palladium 103 (Pd-103)
D91FBCZ Low Dose Rate (LDR) Brachytherapy of Oropharynx using Californium 252 (Cf-252)
D91FBYZ Low Dose Rate (LDR) Brachytherapy of Oropharynx using Other Isotope