| Code | Display | Definition |
| 1 | Incision & drainage of cyst | Incision & drainage of cyst |
| 2 | Acne surgery | Acne surgery |
| 3 | Nail debridement/avulsion | Nail debridement/avulsion |
| 4 | Skin lesion injection | Skin lesion injection |
| 5 | Destruction, facial lesion | Destruction, facial lesion |
| 6 | Destruction, non-facial lesion | Destruction, non-facial lesion |
| 7 | Destruction of warts | Destruction of warts |
| 8 | Excision of breast tissue | Excision of breast tissue |
| 9 | Other minor skin & breast surgery | Other minor skin & breast surgery |
| 10 | Arthrocentesis, sm/med joint | Arthrocentesis, sm/med joint |
| 11 | Arthrocentesis, large joint | Arthrocentesis, large joint |
| 12 | Other major skin surgery | Other major skin surgery |
| 13 | Other major breast surgery | Other major breast surgery |
| 14 | Other major musculoskeletal surgery | Other major musculoskeletal surgery |
| 15 | Other minor musculoskeletal surgery | Other minor musculoskeletal surgery |
| 16 | Bronchoscopy | Bronchoscopy |
| 17 | Laryngoscopy | Laryngoscopy |
| 19 | Other minor respiratory procedures | Other minor respiratory procedures |
| 20 | Other major respiratory procedures | Other major respiratory procedures |
| 31 | Venipuncture (draw blood) | Venipuncture (draw blood) |
| 38 | Other minor cardiovascular procedures | Other minor cardiovascular procedures |
| 39 | Other major cardiovascular procedures | Other major cardiovascular procedures |
| 44 | Minor hemic & lymphatic procedures | Minor hemic & lymphatic procedures |
| 45 | Major hemic & lymphatic procedures | Major hemic & lymphatic procedures |
| 46 | Upper GI endoscopy | Upper GI endoscopy |
| 47 | Repair of inguinal hernia | Repair of inguinal hernia |
| 48 | Colonoscopy | Colonoscopy |
| 49 | Other major digestive procedures | Other major digestive procedures |
| 50 | Other minor digestive procedures | Other minor digestive procedures |
| 51 | Cystourethroscopy | Cystourethroscopy |
| 52 | Transurethral surgery | Transurethral surgery |
| 54 | Other minor urinary procedures | Other minor urinary procedures |
| 55 | Other major urinary procedures | Other major urinary procedures |
| 58 | Minor male genital procedures | Minor male genital procedures |
| 59 | Major male genital procedures | Major male genital procedures |
| 61 | Colposcopy | Colposcopy |
| 62 | Dilation & currettage | Dilation & currettage |
| 63 | Laparoscopy, hysteroscopy | Laparoscopy, hysteroscopy |
| 64 | Minor female genital procedures | Minor female genital procedures |
| 65 | Major female genital procedures | Major female genital procedures |
| 66 | Decompression, carpal tunnel | Decompression, carpal tunnel |
| 68 | Minor endocrine system procedures | Minor endocrine system procedures |
| 69 | Major endocrine system procedures | Major endocrine system procedures |
| 74 | Minor nervous system procedures | Minor nervous system procedures |
| 75 | Major nervous system procedures | Major nervous system procedures |
| 76 | Cataract removal | Cataract removal |
| 84 | Other minor eye/ocular procedures | Other minor eye/ocular procedures |
| 85 | Other major eye/ocular procedures | Other major eye/ocular procedures |
| 94 | Other minor ear/auditory procedures | Other minor ear/auditory procedures |
| 95 | Other major ear/auditory procedures | Other major ear/auditory procedures |
| 98 | Other minor surgery procedures | Other minor surgery procedures |
| 99 | Other major surgery procedures | Other major surgery procedures |
| 101 | Office visits, new patient | Office visits, new patient |
| 104 | Office visits, established patient | Office visits, established patient |
| 109 | Office visits, other | Office visits, other |
| 110 | Office visits, emergency | Office visits, emergency |
| 111 | Emergency department visits | Emergency department visits |
| 113 | Physician telephone/online visits | Physician telephone/online visits |
| 114 | ER visits, other | ER visits, other |
| 115 | Preventive care visits | Preventive care visits |
| 116 | Facility visits | Facility visits |
| 120 | Outpatient consults | Outpatient consults |
| 121 | Inpatient consults | Inpatient consults |
| 122 | Other consults, location unspecified | Other consults, location unspecified |
| 124 | Psychiatric diagnostic services | Psychiatric diagnostic services |
| 127 | Specialty drugs other than chemotherapy | Specialty drugs other than chemotherapy |
| 128 | Unlisted general med service | Unlisted general med service |
| 129 | Other medical services | Other medical services |
| 130 | Injections: immunizations | Injections: immunizations |
| 131 | Injections: therapeutic/IV | Injections: therapeutic/IV |
| 132 | Other injections/noninjectables | Other injections/noninjectables |
| 133 | Other preventive medical services | Other preventive medical services |
| 135 | Psychotherapy, individual | Psychotherapy, individual |
| 136 | Psychotherapy, family | Psychotherapy, family |
| 137 | Psychotherapy, group | Psychotherapy, group |
| 138 | Psych advice, non-patient | Psych advice, non-patient |
| 139 | Therapeutic psychiatric services | Therapeutic psychiatric services |
| 140 | Dialysis | Dialysis |
| 143 | Gastroenterology services (non-surgical) | Gastroenterology services (non-surgical) |
| 144 | General eye exams | General eye exams |
| 145 | General ophthalmology services | General ophthalmology services |
| 147 | Ophthalmic diagnostic services | Ophthalmic diagnostic services |
| 148 | ENT diagnostic services | ENT diagnostic services |
| 149 | Speech/hearing therapy | Speech/hearing therapy |
| 150 | Other ENT services (non-surgical) | Other ENT services (non-surgical) |
| 155 | EKG | EKG |
| 156 | EKG stress test | EKG stress test |
| 157 | EKG monitoring | EKG monitoring |
| 158 | PTCA- percutaneous angioplasty | PTCA- percutaneous angioplasty |
| 160 | Echocardiogram | Echocardiogram |
| 161 | Cardiac catheterization | Cardiac catheterization |
| 162 | Dx radiology, other vascular | Dx radiology, other vascular |
| 163 | Other cardiovascular procedures | Other cardiovascular procedures |
| 165 | Non-invasive peripheral vascular studies | Non-invasive peripheral vascular studies |
| 166 | Spirometry | Spirometry |
| 167 | Bronchospasm evaluation | Bronchospasm evaluation |
| 168 | Pulmonary function tests | Pulmonary function tests |
| 169 | Other non-surgical pulmonary services | Other non-surgical pulmonary services |
| 170 | Respiratory therapy | Respiratory therapy |
| 171 | Allergy testing | Allergy testing |
| 172 | Allergy therapy | Allergy therapy |
| 175 | Nerve conduction tests/EMG | Nerve conduction tests/EMG |
| 176 | Unlisted neurol Dx procedures | Unlisted neurol Dx procedures |
| 177 | Other neurology dx services | Other neurology dx services |
| 180 | Chemotherapy | Chemotherapy |
| 181 | Physical medicine: hot/cold packs | Physical medicine: hot/cold packs |
| 182 | Physical medicine: elec stimulation | Physical medicine: elec stimulation |
| 183 | Physical medicine: other modes | Physical medicine: other modes |
| 184 | Physical medicine: ultrasound | Physical medicine: ultrasound |
| 185 | Physical medicine: manipulation | Physical medicine: manipulation |
| 186 | Physical medicine: other procedures | Physical medicine: other procedures |
| 187 | Physical medicine: testing | Physical medicine: testing |
| 189 | Physical medicine: unlisted/other | Physical medicine: unlisted/other |
| 190 | Case management services | Case management services |
| 191 | Spinal manipulation, chiro | Spinal manipulation, chiro |
| 195 | Chiropractic services | Chiropractic services |
| 197 | Specimen handling | Specimen handling |
| 198 | Medical supplies and devices | Medical supplies and devices |
| 199 | Other medicine procedures | Other medicine procedures |
| 200 | Durable medical equipment | Durable medical equipment |
| 201 | X-ray, head & neck | X-ray, head & neck |
| 202 | X-ray, chest | X-ray, chest |
| 204 | X-ray, spine/pelvis | X-ray, spine/pelvis |
| 205 | X-ray, GI tract | X-ray, GI tract |
| 206 | X-ray, abdomen | X-ray, abdomen |
| 207 | X-ray, OB/Gyn | X-ray, OB/Gyn |
| 208 | X-ray, extremities | X-ray, extremities |
| 210 | CT scan, head & neck | CT scan, head & neck |
| 211 | CT scan, chest | CT scan, chest |
| 212 | CT scan, spine | CT scan, spine |
| 213 | CT scan, abdomen/pelvis | CT scan, abdomen/pelvis |
| 214 | CT scan, extremities | CT scan, extremities |
| 215 | PET scan | PET scan |
| 216 | Magnetic resonance (NMR/MRI) | Magnetic resonance (NMR/MRI) |
| 220 | Myelograms/discograms | Myelograms/discograms |
| 221 | Cholecystograms/cholangiograms | Cholecystograms/cholangiograms |
| 222 | Cholecysto/cholangiogram, inv | Cholecysto/cholangiogram, inv |
| 223 | Mammograms | Mammograms |
| 225 | Aortograms | Aortograms |
| 226 | Angiograms | Angiograms |
| 227 | Lymphangiograms | Lymphangiograms |
| 228 | Venograms | Venograms |
| 229 | Dx radiology, misc/other | Dx radiology, misc/other |
| 241 | Dx ultrasound, abdominal | Dx ultrasound, abdominal |
| 242 | Dx ultrasound, pregnancy | Dx ultrasound, pregnancy |
| 243 | Echocardiogram | Echocardiogram |
| 249 | Dx ultrasound, other | Dx ultrasound, other |
| 269 | Therapeutic radiology | Therapeutic radiology |
| 279 | Nuclear medicine, diagnostic | Nuclear medicine, diagnostic |
| 289 | Nuclear medicine, therapeutic | Nuclear medicine, therapeutic |
| 299 | Other radiology procedure | Other radiology procedure |
| 301 | Blood chemisty tests, automated | Blood chemisty tests, automated |
| 302 | Blood chemistry, Rx monitor | Blood chemistry, Rx monitor |
| 303 | Lab tests, organ/disease panel | Lab tests, organ/disease panel |
| 304 | Clinical path, consultation | Clinical path, consultation |
| 306 | Routine urinalysis | Routine urinalysis |
| 307 | Other urinalysis | Other urinalysis |
| 311 | Thyroid function tests (RIA) | Thyroid function tests (RIA) |
| 312 | Thyroid function tests (non-RIA) | Thyroid function tests (non-RIA) |
| 313 | Other radioimmunoassays (RIA) | Other radioimmunoassays (RIA) |
| 319 | Other chemistry tests | Other chemistry tests |
| 320 | Other toxicology tests | Other toxicology tests |
| 331 | Blood count, automated | Blood count, automated |
| 332 | Blood count, manual | Blood count, manual |
| 334 | Blood test: sedimentation rate | Blood test: sedimentation rate |
| 335 | Blood count: platelet | Blood count: platelet |
| 336 | Blood test: Hgb/Hct | Blood test: Hgb/Hct |
| 338 | Blood test: prothrombin time | Blood test: prothrombin time |
| 339 | Other hematology tests | Other hematology tests |
| 349 | Immunology tests | Immunology tests |
| 361 | Definitive bacterial culture | Definitive bacterial culture |
| 362 | Antibiotic sensitivity studies | Antibiotic sensitivity studies |
| 363 | Bacterial culture, urine | Bacterial culture, urine |
| 364 | Bacterial culture, screening | Bacterial culture, screening |
| 369 | Other microbiology tests | Other microbiology tests |
| 371 | Pap smear | Pap smear |
| 372 | Surgical pathology | Surgical pathology |
| 378 | Molecular pathology | Molecular pathology |
| 379 | Other anatomic pathology services | Other anatomic pathology services |
| 389 | Miscellaneous pathology tests | Miscellaneous pathology tests |
| 399 | Other lab & path procedures | Other lab & path procedures |
| 440 | Cesarean section deliveries | Cesarean section deliveries |
| 445 | Vaginal deliveries | Vaginal deliveries |
| 449 | Major maternity procs & related care | Major maternity procs & related care |
| 450 | Other maternity procs & related care | Other maternity procs & related care |
| 470 | Anesthesia services | Anesthesia services |
| 478 | Home health PT/OT/ST | Home health PT/OT/ST |
| 480 | Other home health services | Other home health services |
| 485 | Transportation services | Transportation services |
| 490 | Dental: diagnostic & preventive | Dental: diagnostic & preventive |
| 491 | Dental: basic restorative | Dental: basic restorative |
| 492 | Dental: major restorative | Dental: major restorative |
| 493 | Dental: orthodontics | Dental: orthodontics |
| 494 | Dental: other | Dental: other |
| 498 | Performance tracking codes | Performance tracking codes |
| 499 | Unmapped codes | Unmapped codes |