Commonly billed codes by specialty, with plain-language descriptions and billing notes.
| CPT code | Service | Specialty | Billing note |
|---|---|---|---|
| 93000 | Routine 12-lead ECG with report | Cardiology | Check if tracing, interpretation and report are all billed by you |
| 93306 | Complete echocardiogram with Doppler | Cardiology | Split -26 / -TC when you do not own the equipment |
| 93015 | Cardiovascular stress test, full service | Cardiology | Use component codes if only part is performed |
| 78452 | Nuclear stress imaging (SPECT), multiple studies | Cardiology | Authorization is often required |
| 93458 | Left heart catheterization with coronary angiography | Cardiology | Watch bundling with imaging and supervision |
| 92928 | Stent placement in a coronary artery | Cardiology | Bill add-on vessels correctly |
| 93288 | Pacemaker interrogation and programming | Cardiology | Frequency limits apply by payer |
| 99213 | Established patient office visit, moderate | Dermatology | Add -25 when a procedure is done the same day |
| 11102 | Skin biopsy by shave, single lesion | Dermatology | Add-on codes for each extra lesion |
| 11104 | Skin biopsy by punch, single lesion | Dermatology | Match code to biopsy method |
| 17000 | Destruction of a precancerous lesion (first) | Dermatology | Use 17003 for lesions 2 to 14 |
| 17110 | Destruction of benign lesions such as warts | Dermatology | Count of lesions drives the code |
| 11401 | Excision of benign skin lesion, small, trunk or limbs | Dermatology | Code by excised diameter incl. margins |
| 17311 | Mohs surgery, first stage, head or neck | Dermatology | Each added stage uses its own code |
| 45378 | Colonoscopy, diagnostic | Gastroenterology | Becomes screening or therapeutic by findings and payer |
| 45380 | Colonoscopy with biopsy | Gastroenterology | Do not bill with 45378 |
| 45385 | Colonoscopy with polyp removal by snare | Gastroenterology | Use the most extensive technique |
| G0121 | Medicare colonoscopy screening, average risk | Gastroenterology | Frequency rules apply |
| 43235 | Upper endoscopy (EGD), diagnostic | Gastroenterology | Biopsy and therapy have their own codes |
| 43239 | Upper endoscopy with biopsy | Gastroenterology | Link diagnosis to each biopsy |
| 91110 | Capsule endoscopy of the digestive tract | Gastroenterology | Check payer policy and authorization |
| 20610 | Large joint injection or aspiration | Orthopedics | Document ultrasound guidance separately |
| 27447 | Total knee replacement | Orthopedics | 90-day global period applies |
| 27130 | Total hip replacement | Orthopedics | Implants and facility billed by the facility |
| 29881 | Knee arthroscopy with meniscectomy | Orthopedics | Check bundling with other knee scopes |
| 23412 | Rotator cuff repair, chronic | Orthopedics | Laterality modifier required |
| 25600 | Closed treatment of distal radius fracture | Orthopedics | Global fracture care rules apply |
| 99214 | Established patient office visit, moderate | Orthopedics | Add -25 if a procedure is also done |
| 95816 | EEG, awake and drowsy | Neurology | Check payer limits on repeat studies |
| 95861 | Needle EMG, two limbs | Neurology | Code by number of limbs tested |
| 95910 | Nerve conduction studies, 7 to 8 tests | Neurology | Code by total number of studies |
| 95810 | Attended sleep study with staging | Neurology | Facility vs home study rules differ |
| 95811 | Sleep study with CPAP titration | Neurology | Medical necessity documentation needed |
| 64615 | Botulinum injections for chronic migraine | Neurology | Drug billed separately with units |
| 99214 | Established patient office visit, moderate | Neurology | Add -25 if a test is done the same day |
| 96413 | Chemotherapy infusion, up to 1 hour | Oncology | Need documented start and stop times |
| 96415 | Chemotherapy infusion, each added hour | Oncology | Add-on to the first hour |
| 96365 | Therapeutic infusion, first hour | Oncology | Not for chemo drugs |
| 96401 | Chemotherapy injection, subcutaneous or IM | Oncology | Non-hormonal anti-cancer drugs |
| 77385 | Intensity-modulated radiation delivery | Oncology | Bundles with treatment planning rules |
| 77427 | Radiation treatment management, weekly | Oncology | Billed per five fractions |
| J9999 | Not otherwise classified cancer drug | Oncology | Needs NDC, units and documentation |
| 59400 | Routine OB care, vaginal delivery, global | OB-GYN | Includes prenatal visits and postpartum care |
| 59510 | Routine OB care, cesarean delivery, global | OB-GYN | Delivery details affect payment |
| 59025 | Fetal non-stress test | OB-GYN | Often billed with ultrasound; check edits |
| 76805 | Obstetric ultrasound, complete | OB-GYN | Technical / professional split may apply |
| 58300 | IUD insertion | OB-GYN | Device supply billed separately |
| 99395 | Preventive visit, established patient, age 18 to 39 | OB-GYN | Add -25 if a problem is also treated |
| G0101 | Medicare pelvic and breast exam | OB-GYN | Frequency limits apply |
| 88305 | Tissue exam by pathologist, level IV | Pathology & Laboratory | One of the most frequently billed pathology codes |
| 88342 | Immunohistochemistry, first stain | Pathology & Laboratory | Each extra stain uses an add-on code |
| 85025 | Complete blood count with automated differential | Pathology & Laboratory | Check payer frequency edits |
| 80053 | Comprehensive metabolic panel | Pathology & Laboratory | Do not unbundle panel components |
| 80061 | Lipid panel | Pathology & Laboratory | Screening vs diagnostic coverage differs |
| 81001 | Urinalysis with microscopy, automated | Pathology & Laboratory | Waived and non-waived tests differ |
| 36415 | Blood draw by venipuncture | Pathology & Laboratory | Often limited to one per encounter |
| 71046 | Chest X-ray, 2 views | Radiology & Imaging | Single view uses a different code |
| 70450 | CT head or brain without contrast | Radiology & Imaging | Contrast changes the code |
| 72148 | MRI lumbar spine without contrast | Radiology & Imaging | Usually needs prior authorization |
| 74177 | CT abdomen and pelvis with contrast | Radiology & Imaging | Contrast documentation required |
| 77067 | Screening mammogram, both breasts | Radiology & Imaging | Screening vs diagnostic coverage differs |
| 76856 | Pelvic ultrasound, complete | Radiology & Imaging | Check payer-specific limits |
| 73721 | MRI of a lower-extremity joint without contrast | Radiology & Imaging | Laterality modifier required |
| 90791 | Psychiatric diagnostic evaluation | Behavioral Health | Usually once at intake |
| 90792 | Diagnostic evaluation with medical services | Behavioral Health | For prescribers |
| 90834 | Psychotherapy, about 45 minutes | Behavioral Health | Time documented in the note |
| 90837 | Psychotherapy, about 60 minutes | Behavioral Health | Payers audit long sessions |
| 90847 | Family psychotherapy with the patient | Behavioral Health | Patient must be present |
| 90833 | Add-on psychotherapy with an E/M visit | Behavioral Health | Never billed alone |
| 96127 | Brief emotional or behavioral screening | Behavioral Health | Instrument and scoring documented |
| 66984 | Cataract surgery with lens implant | Ambulatory Surgery | Lens billing depends on payer rules |
| 45378 | Colonoscopy, diagnostic | Ambulatory Surgery | Facility modifiers apply |
| 29881 | Knee arthroscopy with meniscectomy | Ambulatory Surgery | Bundling edits are common |
| 64483 | Epidural steroid injection, lumbar, with imaging | Ambulatory Surgery | Often requires authorization |
| 42826 | Tonsillectomy, age 12 or older | Ambulatory Surgery | Check payer ASC list coverage |
| G0121 | Medicare colonoscopy screening | Ambulatory Surgery | Screening rules apply |
| C1713 | Implantable bone fixation device (device code) | Ambulatory Surgery | Facility implant billing |
| 99213 | Established patient office visit, low-to-moderate | Primary Care | Level by medical decision-making or time |
| 99214 | Established patient office visit, moderate | Primary Care | Documentation must support the level |
| 99204 | New patient office visit, moderate | Primary Care | New vs established status matters |
| 99396 | Preventive visit, established patient, age 40 to 64 | Primary Care | Add -25 for a separate problem visit |
| G0439 | Medicare annual wellness visit, subsequent | Primary Care | Once per year |
| 99490 | Chronic care management, first 20 minutes per month | Primary Care | Consent and time documented |
| 90471 | Immunization administration | Primary Care | Vaccine product billed separately |
| 66984 | Cataract surgery with lens implant | Ophthalmology | Laterality and ASC vs office rules apply |
| 66982 | Complex cataract surgery | Ophthalmology | Documentation must show the added complexity |
| 92014 | Eye exam, comprehensive, established patient | Ophthalmology | Choose between eye codes and E/M by medical decision-making and services |
| 92134 | OCT imaging of the retina | Ophthalmology | Check payer frequency limits |
| 92083 | Visual field exam, extended | Ophthalmology | Medical necessity needs a supporting diagnosis |
| 67028 | Injection into the eye (intravitreal) | Ophthalmology | Bill the drug separately with units |
| 65855 | Laser treatment for glaucoma (trabeculoplasty) | Ophthalmology | Laterality required |
| 00142 | Anesthesia for eye lens surgery | Anesthesiology | Commonly paired with cataract cases |
| 00811 | Anesthesia for lower intestinal endoscopy, diagnostic | Anesthesiology | Colonoscopy anesthesia depends on the procedure intent |
| 00812 | Anesthesia for screening colonoscopy | Anesthesiology | Screening status must match the surgeon claim |
| 01402 | Anesthesia for knee replacement | Anesthesiology | Time-based with base units |
| 01961 | Anesthesia for cesarean delivery only | Anesthesiology | Add-ons may apply for labor epidural |
| 99100 | Added code for patients of extreme age | Anesthesiology | Qualifying circumstance add-on |
| 01996 | Daily management of a continuous epidural | Anesthesiology | Billed once per day |
| 62323 | Lumbar epidural injection with imaging guidance | Pain Management | Imaging is included in the code |
| 64483 | Transforaminal epidural injection, lumbar, one level | Pain Management | Add-on code for each additional level |
| 64493 | Facet joint injection, lumbar, one level, with imaging | Pain Management | Frequency and diagnostic block rules apply |
| 64635 | Radiofrequency ablation, lumbar facet, one level | Pain Management | Usually needs a documented prior diagnostic block |
| 20553 | Trigger point injections, three or more muscles | Pain Management | Count of muscles drives the code |
| 63650 | Spinal cord stimulator electrode placement (trial or permanent) | Pain Management | Authorization and device billing required |
| 99214 | Established patient visit, moderate | Pain Management | Add -25 if a procedure is done the same day |
| 97161 | PT evaluation, low complexity | Physical Therapy | Evaluation complexity must be documented |
| 97110 | Therapeutic exercise, 15 minutes | Physical Therapy | Counts toward timed units |
| 97112 | Neuromuscular re-education, 15 minutes | Physical Therapy | Document the specific intervention |
| 97140 | Manual therapy, 15 minutes | Physical Therapy | Often edited with other codes; check modifier rules |
| 97530 | Therapeutic activities, 15 minutes | Physical Therapy | Direct one-on-one time only |
| 97164 | PT re-evaluation | Physical Therapy | Needs a clinical reason |
| 97035 | Ultrasound therapy, 15 minutes | Physical Therapy | Check payer coverage |
| 11721 | Debridement of nails, six or more | Podiatry | Needs class findings for routine foot care |
| 11055 | Paring of a benign skin lesion, single | Podiatry | Additional lesions use other codes |
| 28285 | Correction of hammertoe | Podiatry | Toe modifiers required |
| 28296 | Bunion correction | Podiatry | Authorization usually required |
| 29540 | Strapping of ankle or foot | Podiatry | Check payer bundling rules |
| 73630 | X-ray of the foot, minimum 3 views | Podiatry | Professional vs technical split may apply |
| 99213 | Established patient visit, low to moderate | Podiatry | Add -25 if a procedure is done the same day |
| 99284 | Emergency department visit, moderate complexity | Urgent Care & Emergency | Level supported by medical decision-making |
| 99213 | Office or urgent care visit, low to moderate | Urgent Care & Emergency | Check payer-specific urgent care rules |
| S9088 | Urgent care center service add-on (commercial payers) | Urgent Care & Emergency | Payer-specific code, not accepted by every plan |
| 12001 | Simple wound repair, 2.5 cm or less | Urgent Care & Emergency | Code by wound length and type |
| 87880 | Rapid strep antigen test | Urgent Care & Emergency | CLIA-waived test rules apply |
| 94640 | Breathing treatment (nebulizer) | Urgent Care & Emergency | Do not bill with certain other respiratory services |
| 73100 | X-ray of the wrist, two views | Urgent Care & Emergency | Professional vs technical split may apply |
Codes shown are common examples and descriptions are simplified in our own words. CPT® is a registered trademark of the American Medical Association. Always confirm against the current AMA CPT codebook, ICD-10-CM and each payer’s policy.
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