Buck's 2025 ICD-10-CM for Hospitals

1. Part I Introduction - p. 1 2. ICD-10-CM Official Guidelines for Coding and Reporting - p. 2 3. Section I. Conventions, General Coding Guidelines and Chapter Specific Guidelines - p. 2 4. Section II. Selection of Principal Diagnosis - p. 4 5. Section III. Reporting Additional Diagnoses - p. 4 6. Section IV. Diagnostic Coding and Reporting Guidelines for Outpatient Services - p. 4 7. Appendix I: Present on Admission Reporting Guidelines - p. 4 8. Appendix I Present on Admission Reporting Guidelines - p. 53 9. Anatomy Illustrations - p. 57 10. Part II Alphabetic Index: ICD-10-CM Index to Diseases and Injuries - p. 89 11. A - p. 90 12. B - p. 126 13. C - p. 137 14. D - p. 173 15. E - p. 220 16. F - p. 234 17. G - p. 252 18. H - p. 257 19. I - p. 275 20. J - p. 300 21. K - p. 301 22. L - p. 303 23. M - p. 313 24. N - p. 326 25. O - p. 333 26. P - p. 342 27. Q - p. 370 28. R - p. 370 29. S - p. 378 30. T - p. 405 31. U - p. 417 32. V - p. 422 33. W - p. 425 34. X - p. 428 35. Y - p. 429 36. Z - p. 429 37. TON ICD-10-CM Table of Neoplasms - p. 431 38. TOD ICD-10-CM Table of Drugs and Chemicals - p. 459 39. ECI External Cause of Injuries Index - p. 555 40. ICD-10-CM External Cause of Injuries Index - p. 556 41. A - p. 556 42. B - p. 570 43. C - p. 571 44. D - p. 574 45. E - p. 576 46. F - p. 578 47. G - p. 580 48. H - p. 580 49. I - p. 580 50. J - p. 581 51. K - p. 582 52. L - p. 582 53. M - p. 583 54. N - p. 584 55. O - p. 584 56. P - p. 584 57. R - p. 587 58. S - p. 587 59. T - p. 590 60. U - p. 590 61. V - p. 590 62. W - p. 590 63. Chapter 1 Certain Infectious and Parasitic Diseases (A00-B99) - p. 594 64. Intestinal Infectious Diseases (A00-A09) - p. 596 65. Tuberculosis (A15-A19) - p. 598 66. Certain Zoonotic Bacterial Diseases (A20-A28) - p. 600 67. Other Bacterial Diseases (A30-A49) - p. 601 68. Infections with a Predominantly Sexual Mode of Transmission (A50-A64) - p. 603 69. Other Spirochetal Diseases (A65-A69) - p. 606 70. Other Diseases Caused by Chlamydiae (A70-A74) - p. 607 71. Rickettsioses (A75-A79) - p. 607 72. Viral and Prion Infections of the Central Nervous System (A80-A89) - p. 608 73. Viral Infections Characterized by Skin and Mucous Membrane Lesions (B00-B09) - p. 610 74. Other Human Herpesviruses (B10) - p. 612 75. Viral Hepatitis (B15-B19) - p. 612 76. Human Immunodeficiency Virus [HIV] Disease (B20) - p. 613 77. Other Viral Diseases (B25-B34) - p. 613 78. Mycoses (B35-B49) - p. 615 79. Protozoal Diseases (B50-B64) - p. 617 80. Helminthiases (B65-B83) - p. 618 81. Sequelae of Infectious and Parasitic Diseases (B90-B94) - p. 621 82. Bacterial and Viral Infectious Agents (B95-B97) - p. 622 83. Other Infectious Diseases (B99) - p. 623 84. Chapter 2 Neoplasms (C00-D49) - p. 624 85. Malignant Neoplasms (C00-C96) Malignant Neoplasms, Stated or Presumed to be Primary (of Specified Sites), and Certain Specified Histologies, Except Neuroendocrine, and of Lymphoid, Hematopoietic and Related Tissue (C00-C75) Malignant Neoplasms of Lip, Oral Cavity and Pharynx (C00-C14) - p. 626 86. Malignant Neoplasm of Digestive Organs (C15-C26) - p. 629 87. Malignant Neoplasms of Respiratory and Intrathoracic Organs (C30-C39) - p. 631 88. Malignant Neoplasms of Bone and Articular Cartilage (C40-C41) - p. 633 89. Melanoma and Other Malignant Neoplasms of Skin (C43-C44) - p. 634 90. Malignant Neoplasms of Mesothelial and Soft Tissue (C45-C49) - p. 637 91. Malignant Neoplasms of Breast (C50) - p. 639 92. Malignant Neoplasms of Female Genital Organs (C51-C58) - p. 641 93. Malignant Neoplasms of Male Genital Organs (C60-C63) - p. 642 94. Malignant Neoplasms of Urinary Tract (C64-C68) - p. 642 95. Malignant Neoplasms of Eye, Brain and Other Parts of Central Nervous System (C69-C72) - p. 643 96. Malignant Neoplasms of Thyroid and Other Endocrine Glands (C73-C75) - p. 644 97. Malignant Neoplasms of Ill-Defined, Other Secondary and Unspecified Sites (C76-C80) - p. 645 98. Malignant Neuroendocrine Tumors (C7A) - p. 646 99. Secondary Neuroendocrine Tumors (C7B) - p. 647 100. Malignant Neoplasms of Lymphoid, Hematopoietic and Related Tissue (C81-C96) - p. 647 101. In Situ Neoplasms (D00-D09) - p. 660 102. Benign Neoplasms, Except Benign Neuroendocrine Tumors (D10-D36) - p. 663 103. Neoplasms of Uncertain Behavior, Polycythemia Vera and Myelodysplastic Syndromes (D37-D48) - p. 669 104. Benign Neuroendocrine Tumors (D3A) - p. 670 105. Chapter 3 Diseases of the Blood and Blood Forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) - p. 674 106. Chapter 4 Endocrine, Nutritional and Metabolic Diseases (E00-E89) - p. 688 107. Disorders of Thyroid Gland (E00-E07) - p. 689 108. Diabetes Mellitus (E08-E13) - p. 691 109. Other Disorders of Glucose Regulation and Pancreatic Internal Secretion (E15-E16) - p. 700 110. Disorders of Other Endocrine Glands (E20-E35) - p. 701 111. Intraoperative Complications of Endocrine System (E36) - p. 704 112. Malnutrition (E40-E46) - p. 704 113. Other Nutritional Deficiencies (E50-E64) - p. 705 114. Overweight, Obesity and Other Hyperalimentation (E65-E68) - p. 706 115. Metabolic Disorders (E70-E88) - p. 707 116. Postprocedural Endocrine and Metabolic Complications and Disorders, Not Elsewhere Classified (E89) - p. 714 117. Chapter 5 Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) - p. 715 118. Mental Disorders Due to Known Physiological Conditions (F01-F09) - p. 715 119. Mental and Behavioral Disorders Due to Psychoactive Substance Use (F10-F19) - p. 723 120. Schizophrenia, Schizotypal, Delusional, and Other Non-Mood Psychotic Disorders (F20-F29) - p. 739 121. Mood [Affective] Disorders (F30-F39) - p. 740 122. Anxiety, Dissociative, Stress-Related, Somatoform and Other Nonpsychotic Mental Disorders (F40-F48) - p. 742 123. Behavioral Syndromes Associated with Physiological Disturbances and Physical Factors (F50-F59) - p. 744 124. Disorders of Adult Personality and Behavior (F60-F69) - p. 746 125. Intellectual Disabilities (F70-F79) - p. 747 126. Pervasive and Specific Developmental Disorders (F80-F89) - p. 748 127. Behavioral and Emotional Disorders with Onset Usually Occurring in Childhood and Adolescence (F90-F98) - p. 749 128. Unspecified Mental Disorder (F99) - p. 750 129. Chapter 6 Diseases of the Nervous System (G00-G99) - p. 751 130. Inflammatory Diseases of the Central Nervous System (G00-G09) - p. 752 131. Systemic Atrophies Primarily Affecting the Central Nervous System (G10-G14) - p. 754 132. Extrapyramidal and Movement Disorders (G20-G26) - p. 755 133. Other Degenerative Diseases of the Nervous System (G30-G32) - p. 756 134. Demyelinating Diseases of the Central Nervous System (G35-G37) - p. 757 135. Episodic and Paroxysmal Disorders (G40-G47) - p. 758 136. Nerve, Nerve Root and Plexus Disorders (G50-G59) - p. 765 137. Polyneuropathies and Other Disorders of the Peripheral Nervous System (G60-G65) - p. 767 138. Diseases of Myoneural Junction and Muscle (G70-G73) - p. 768 139. Cerebral Palsy and Other Paralytic Syndromes (G80-G83) - p. 770 140. Other Disorders of The Nervous System (G89-G99) - p. 772 141. Chapter 7 Diseases of the Eye and Adnexa (H00-H59) - p. 777 142. Disorders of Eyelid, Lacrimal System and Orbit (H00-H05) - p. 778 143. Disorders of Conjunctiva (H10-H11) - p. 787 144. Disorders of Sclera, Cornea, Iris and Ciliary Body (H15-H22) - p. 790 145. Disorders of Lens (H25-H28) - p. 797 146. Disorders of Choroid and Retina (H30-H36) - p. 800 147. Glaucoma (H40-H42) - p. 807 148. Disorders of Vitreous Body and Globe (H43-H44) - p. 810 149. Disorders of Optic Nerve and Visual Pathways (H46-H47) - p. 813 150. Disorders of Ocular Muscles, Binocular Movement, Aommodation and Refraction (H49-H52) - p. 815 151. Visual Disturbances and Blindness (H53-H54) - p. 817 152. Other Disorders of Eye and Adnexa (H55-H57) - p. 820 153. Intraoperative and Postprocedural Complications and Disorders of Eye and Adnexa, Not Elsewhere Classified (H59) - p. 821 154. Chapter 8 Diseases of the Ear and Mastoid Process (H60-H95) - p. 823 155. Chapter 9 Diseases of the Circulatory System (I00-I99) - p. 836 156. Acute Rheumatic Fever (I00-I02) - p. 837 157. Chronic Rheumatic Heart Diseases (I05-I09) - p. 838 158. Hypertensive Diseases (I10-I16) - p. 839 159. Ischemic Heart Diseases (I20-I25) - p. 840 160. Pulmonary Heart Disease and Diseases of Pulmonary Circulation (I26-I28) - p. 846 161. Other Forms of Heart Disease (I30-I5A) - p. 848 162. Cerebrovascular Diseases (I60-I69) - p. 853 163. Diseases of Arteries, Arterioles and Capillaries (I70-I79) - p. 865 164. Diseases of Veins, Lymphatic Vessels and Lymph Nodes, Not Elsewhere Classified (I80-I89) - p. 878 165. Other and Unspecified Disorders of the Circulatory System (I95-I99) - p. 886 166. Chapter 10 Diseases of the Respiratory System (J00-J99) - p. 889 167. Chapter 11 Diseases of the Digestive System (K00-K95) - p. 907 168. Diseases of Oral Cavity and Salivary Glands (K00-K14) - p. 907 169. Diseases of Esophagus, Stomach and Duodenum (K20-K31) - p. 913 170. Diseases of APPENDIX (K35-K38) - p. 916 171. Hernia (K40-K46) - p. 917 172. Noninfective Enteritis and Colitis (K50-K52) - p. 919 173. Other Diseases of Intestines (K55-K64) - p. 922 174. Diseases of Peritoneum and Retroperitoneum (K65-K68) - p. 927 175. Diseases of Liver (K70-K77) - p. 928 176. Disorders of Gallbladder, Biliary Tract and Pancreas (K80–K87) - p. 930 177. Other Diseases of the Digestive System (K90-K95) - p. 933 178. Chapter 12 Diseases of the Skin and Subcutaneous Tissue (L00-L99) - p. 935 179. Infections of the Skin and Subcutaneous Tissue (L00-L08) - p. 935 180. Bullous Disorders (L10-L14) - p. 939 181. Dermatitis and Eczema (L20-L30) - p. 940 182. Papulosquamous Disorders (L40-L45) - p. 942 183. Urticaria and Erythema (L49-L54) - p. 942 184. Radiation-Related Disorders of the Skin and Subcutaneous Tissue (L55-L59) - p. 943 185. Disorders of Skin Appendages (L60-L75) - p. 943 186. Intraoperative and Postprocedural Complications of Skin and Subcutaneous Tissue (L76) - p. 945 187. Other Disorders of the Skin and Subcutaneous Tissue (L80-L99) - p. 945 188. Chapter 13 Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) - p. 960 189. Arthropathies (M00-M25) - p. 960 190. Infectious Arthropathies (M00-M02) - p. 960 191. Autoinflammatory Syndromes (M04) - p. 966 192. Inflammatory Polyarthropathies (M05-M14) - p. 966 193. Osteoarthritis (M15-M19) - p. 986 194. Other Joint Disorders (M20-M25) - p. 988 195. Dentofacial Anomalies [Including Malocclusion] and Other Disorders of Jaw (M26-M27) - p. 1001 196. Systemic Connective Tissue Disorders (M30-M36) - p. 1003 197. Deforming Dorsopathies (M40-M43) - p. 1005 198. Spondylopathies (M45-M49) - p. 1008 199. Other Dorsopathies (M50-M54) - p. 1011 200. Disorders of Muscles (M60-M63) - p. 1015 201. Disorders of Synovium and Tendon (M65-M67) - p. 1023 202. Other Soft Tissue Disorders (M70-M79) - p. 1029 203. Disorders of Bone Density and Structure (M80-M85) - p. 1036 204. Other Osteopathies (M86-M90) - p. 1044 205. Chondropathies (M91-M94) - p. 1058 206. Other Disorders of the Musculoskeletal System and Connective Tissue (M95) - p. 1062 207. Intraoperative and Postprocedural Complications and Disorders of Musculoskeletal System, Not Elsewhere Classified (M96) - p. 1062 208. Periprosthetic Fracture Around Internal Prosthetic Joint (M97) - p. 1063 209. Biomechanical Lesions, Not Elsewhere Classified (M99) - p. 1064 210. Chapter 14 Diseases of the Genitourinary System (N00-N99) - p. 1066 211. Glomerular Diseases (N00-N08) - p. 1066 212. Renal Tubulo-Interstitial Diseases (N10-N16) - p. 1071 213. Acute Kidney Failure and Chronic Kidney Disease (N17-N19) - p. 1072 214. Urolithiasis (N20-N23) - p. 1073 215. Other Disorders of Kidney and Ureter (N25-N29) - p. 1073 216. Other Diseases of the Urinary System (N30-N39) - p. 1074 217. Diseases of Male Genital Organs (N40-N53) - p. 1076 218. Disorders of Breast (N60-N65) - p. 1079 219. Inflammatory Diseases of Female Pelvic Organs (N70-N77) - p. 1081 220. Noninflammatory Disorders of Female Genital Tract (N80–N98) - p. 1082 221. Intraoperative and Postprocedural Complications and Disorders of Genitourinary System, Not Elsewhere Classified (N99) - p. 1089 222. Chapter 15 Pregnancy, Childbirth, and the Puerperium (O00-O9A) - p. 1091 223. Pregnancy with Abortive Outcome (O00-O08) - p. 1093 224. Supervision of High Risk Pregnancy (O09) - p. 1098 225. Edema, Proteinuria and Hypertensive Disorders in Pregnancy, Childbirth and the Puerperium (O10-O16) - p. 1100 226. Other Maternal Disorders Predominantly Related to Pregnancy (O20-O29) - p. 1102 227. Maternal Care Related to the Fetus and Amniotic Cavity and Possible Delivery Problems (O30-O48) - p. 1108 228. Complications of Labor and Delivery (O60-O77) - p. 1121 229. Encounter for Delivery (080-082) - p. 1126 230. Complications Predominantly Related to the Puerperium (085-092) - p. 1126 231. Other Obstetric Conditions, Not Elsewhere Classified (O94-O9A) - p. 1129 232. Chapter 16 Certain Conditions Originating in the Perinatal Period (P00-P96) - p. 1135 233. Chapter 17 Congenital Malformations, Deformations, and Chromosomal Abnormalities (Q00-Q99) - p. 1149 234. Congenital Malformations of the Nervous System (Q00-Q07) - p. 1149 235. Congenital Malformations of Eye, Ear, Face and Neck (Q10-Q18) - p. 1151 236. Congenital Malformations of the Circulatory System (Q20-Q28) - p. 1152 237. Congenital Malformations of the Respiratory System (Q30-Q34) - p. 1155 238. Cleft Lip and Cleft Palate (Q35-Q37) - p. 1155 239. Other Congenital Malformations of the Digestive System (Q38-Q45) - p. 1156 240. Congenital Malformations of Genital Organs (Q50-Q56) - p. 1157 241. Congenital Malformations of the Urinary System (Q60-Q64) - p. 1159 242. Congenital Malformations and Deformations of the Musculoskeletal System (Q65-Q79) - p. 1160 243. Other Congenital Malformations (Q80-Q89) - p. 1166 244. Chromosomal Abnormalities, Not Elsewhere Classified (Q90-Q99) - p. 1169 245. Chapter 18 Symptoms, Signs, and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) - p. 1171 246. Chapter 19 Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) - p. 1195 247. Injuries to the Head (S00-S09) - p. 1199 248. Injuries to the Neck (S10-S19) - p. 1216 249. Injuries to the Thorax (S20-S29) - p. 1223 250. Injuries to the Abdomen, Lower Back, Lumbar Spine Pelvis and External Genitals (S30-S39) - p. 1235 251. Injuries to the Shoulder and Upper Arm (S40-S49) - p. 1252 252. Injuries to the Elbow and Forearm (S50-S59) - p. 1267 253. Injuries to the Wrist, Hand and Fingers (S60-S69) - p. 1285 254. Injuries to the Hip and Thigh (S70-S79) - p. 1315 255. Injuries to the Knee and Lower Leg (S80-S89) - p. 1329 256. Injuries to the Ankle and Foot (S90-S99) - p. 1345 257. Injuries Involving Multiple Body Regions (T07) - p. 1361 258. Injury of Unspecified Body Region (T14) - p. 1361 259. Effects of Foreign Body Entering Through Natural Orifice (T15-T19) - p. 1362 260. Burns and Corrosions of External Body Surface, Specified by Site (T20-T2~5) - p. 1364 261. Burns and Corrosions Confined to Eye and Internal Organs (T26-T28) - p. 1382 262. Burns and Corrosions of Multiple and Unspecified Body Regions (T30-T32) - p. 1383 263. Frostbite (T33-T34) - p. 1385 264. Poisoning by, Adverse Effects of and Underdosing of Drugs Medicaments and Biological Substances (T36-T50) - p. 1387 265. Toxic Effects of Substances Chiefly Nonmedicinal as to Source (T51-T65) - p. 1413 266. Other and Unspecified Effects of External Causes (T66-T78) - p. 1427 267. Certain Early Complications of Trauma (T79) - p. 1431 268. Complications of Surgical and Medical Care Not Elsewhere Classified (T80-T88) - p. 1432 269. Chapter 20 External Causes of Morbidity (V00-Y99) - p. 1454 270. Accidents (V00-X58) - p. 1456 271. Pedestrian Injured in Transport Accident (V00-V09) - p. 1457 272. Pedal Cycle Rider Injured in Transport Accident (V10-V19) - p. 1467 273. Motorcycle Rider Injured in Transport Accident (V20-V29) - p. 1469 274. Occupant of Three-Wheeled Motor Vehicle Injured in Transport Accident (V30-V39) - p. 1475 275. Car Occupant Injured in Transport Accident (V40-V49) - p. 1478 276. Occupant of Pick-Up Truck or Van Injured in Transport Accident (V50-V59) - p. 1481 277. Occupant of Heavy Transport Vehicle Injured in Transport Accident (V60-V69) - p. 1483 278. Bus Occupant Injured in Transport Accident (V70-V79) - p. 1486 279. Other Land Transport Accidents (V80-V89) - p. 1488 280. Water Transport Accidents (V90-V94) - p. 1493 281. Air and Space Transport Accidents (V95-V97) - p. 1499 282. Other and Unspecified Transport Accidents (V98-V99) - p. 1500 283. Other External Causes of Accidental Injury (W00-X58) - p. 1500 284. Exposure to Inanimate Mechanical Forces (W20-W49) - p. 1505 285. Exposure to Animate Mechanical Forces (W50-W64) - p. 1510 286. Accidental Non-Transport Drowning and Submersion (W65-W74) - p. 1513 287. Exposure to Electric Current, Radiation and Extreme Ambient Air Temperature and Pressure (W85-W99) - p. 1513 288. Exposure to Smoke, Fire and Flames (X00-X08) - p. 1514 289. Contact with Heat and Hot Substances (X10-X19) - p. 1516 290. Exposure to Forces of Nature (X30-X39) - p. 1517 291. Overexertion and Strenuous or Repetitive Movements (X50) - p. 1518 292. Accidental Exposure to Other Specified Factors (X52, X58) - p. 1518 293. Intentional Self-Harm (X71-X83) - p. 1518 294. Assault (X92-Y09) - p. 1519 295. Event of Undetermined Intent (Y21-Y33) - p. 1522 296. Legal Intervention, Operations of War, Military Operations, and Terrorism (Y35-Y38) - p. 1523 297. Complications of Medical and Surgical Care (Y62-Y84) - p. 1533 298. Misadventures to Patients During Surgical and Medical Care (Y62-Y69) - p. 1533 299. In Diagnostic and Therapeutic Use (Y70-Y82) - p. 1534 300. Surgical and Other Medical Procedures as the Cause of Abnormal Reaction of the Patient, or of Later Complication, Without Mention of Misadventure at the Time of the Procedure (Y83-Y84) - p. 1535 301. Morbidity Classified Elsewhere (Y90-Y99) - p. 1536 302. Chapter 21 Factors Influencing Health Status and Contact with Health Services (Z00-Z99) - p. 1545 303. Persons Encountering Health Services for Examinations (Z00-Z13) - p. 1549 304. Genetic Carrier and Genetic Susceptibility to Disease (Z14-Z15) - p. 1555 305. Estrogen, and Other Hormones and Factors Receptor Status (Z17) - p. 1556 306. Retained Foreign Body Fragments (Z18) - p. 1557 307. Hormone Sensitivity Malignancy Status (Z19) - p. 1557 308. Persons with Potential Health Hazards Related to Communicable Diseases (Z20-Z29) - p. 1557 309. Persons Encountering Health Services in Circumstances Related to Reproduction (Z30-Z39) - p. 1559 310. Encounters for Other Specific Health Care (Z40-Z53) - p. 1562 311. Persons with Potential Health Hazards Related to Socioeconomic and Psychosocial Circumstances (Z55-Z65) - p. 1567 312. Do Not Resuscitate Status (Z66) - p. 1570 313. Blood Type (Z67) - p. 1570 314. Body Mass Index [BMI] (Z68) - p. 1570 315. Persons Encountering Health Services in Other Circumstances (Z69-Z76) - p. 1571 316. Persons with Potential Health Hazards Related to Family and Personal History and Certain Conditions Influencing Health Status (Z77-Z99) - p. 1574 317. Chapter 22 Codes for Special Purposes (U00-U85) - p. 1589