Exhaustive Enumeration of Medical Procedural Branches
Got it — you want a comprehensive enumeration of all procedural branches that could follow from the intake, beyond the high-level categories we’ve discussed. Below is a detailed, systematic taxonomy of medical procedural pathways, organized by major branch, sub-branch, and code set (CPT/HCPCS/ICD-10-PCS). This essentially “exhausts” the decision tree into a checklist.
Exhaustive Enumeration of Medical Procedural Branches
Root: Patient Encounter (E/M Node)
CPT 99202–99215 (outpatient), 99281–99285 (ED), 99221–99223 (inpatient admit)
- Always documented first, anchors the visit
- Drives medical necessity for downstream procedures
Branch 1: No Procedure / Conservative Care
- E/M only (documented counseling, medication management)
- Possible adjunct codes:
- Prescription drug management (ICD-10 Z79.* status codes)
- Patient education / counseling (included in E/M or 99401–99404 if separately reportable)
- Care coordination / chronic care management (CPT 99490+)
Branch 2: Minor Office-Based Procedures
- Wound care
- CPT 97597–97598 (debridement)
- CPT 12001–13160 (repair, simple–complex)
- CPT 10040–10180 (incision/drainage, foreign body removal)
- Skin procedures
- CPT 11400–11646 (excision benign/malignant lesions)
- CPT 17110–17111 (destruction of benign lesions)
- Cryotherapy, chemical cautery (CPT 17000–17004)
- Drainage & aspiration
- CPT 10160 (puncture aspiration abscess/cyst)
- CPT 20600–20611 (arthrocentesis, joint injections)
Branch 3: Diagnostic Testing
- Imaging
- X-ray CPT 70010–76499 (by region)
- CT CPT 70450–76499
- MRI CPT 70551–76499
- Ultrasound CPT 76506–76999
- Electrodiagnostics
- CPT 93000–93010 (ECG)
- CPT 95860–95872 (EMG)
- Lab
- Blood/chemistry CPT 80047–89398
- Microbiology CPT 87040–87999
- Molecular pathology CPT 81200–81479
- Pathology
- CPT 88300–88399 (surgical pathology)
- CPT 88342–88344 (immunohistochemistry)
Branch 4: Therapeutic Interventions
- Infusions, injections
- CPT 96360–96379 (hydration, infusion therapy)
- CPT 96372–96377 (therapeutic injections)
- Medication administration
- Vaccinations CPT 90460–90474
- Chemotherapy CPT 96401–96549
- Physical therapy / rehab
- CPT 97110–97799 (therapeutic exercise, modalities)
Branch 5: Specialty Procedures
- Ob/Gyn
- CPT 57400–57570 (colposcopy, biopsy, D&C)
- CPT 58300 (IUD insertion), 58301 (removal)
- ENT
- CPT 31500–31579 (laryngoscopy, airway procedures)
- CPT 69209–69210 (ear wax removal)
- Ophthalmology
- CPT 92002–92014 (eye exams)
- CPT 65205–65222 (foreign body removal)
- Urology
- CPT 51701–51798 (bladder cath, urodynamics)
- CPT 52000 (cystoscopy)
Branch 6: Escalation to ED / OR / Inpatient
- ED evaluation & management
- CPT 99281–99285
- Surgical procedures (ICD-10-PCS & CPT 10021–69990)
- General surgery: appendectomy, cholecystectomy, hernia repair
- Orthopedic: fracture fixation CPT 23500–29828
- Neurosurgery: craniotomy, laminectomy
- Anesthesia
- CPT 00100–01999 (based on surgical site & time)
- Critical care
- CPT 99291–99292 (critical care, first + additional hour)
Branch 7: Post-Encounter & Follow-Up
- Post-procedure E/M
- CPT 99211–99215 (if not bundled)
- Global surgical follow-up
- No additional charge during global period unless unrelated condition
- Rehab and monitoring
- PT/OT/ST CPT 97010–97799
- Remote monitoring CPT 99453–99458
Branch 8: Care Coordination & Administrative Codes
- Telehealth follow-up
- CPT 99421–99423 (online E/M)
- CPT 99441–99443 (phone E/M)
- Care management
- CPT 99490+ (chronic care management)
- CPT 99495–99496 (transitional care management)
- Preventive services
- CPT 99381–99397 (annual preventive visits)
- Screening codes for cancer, depression, STI, etc.
Why Exhaustive Enumeration Helps
Having this full branch list allows:
- Coders to cross-check documentation against every possible code set
- Revenue cycle teams to ensure no missed charges
- Clinical leaders to streamline workflows (pre-book imaging, procedures)
- Quality programs to map encounters to outcomes and performance metrics
Would you like me to convert this enumeration into a massive wall-chart style flow diagram (multi-level branching) so you can visually see how all CPT/ICD branches interconnect? This would essentially be a “master coding decision tree” graphic.
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