Interventional Pain Medicine in the ASC and Office-Based Setting
Interventional pain medicine treats spine, joint, and nerve pain with image-guided injections and ablation rather than open surgery, usually in an ambulatory surgery center or office-based lab with same-day discharge.
Most pain billing falls in two CPT ranges. The 62320 through 64999 block covers spinal and peripheral nerve work, such as transforaminal epidural injection 64483 and facet joint injection 64493. The 20550 through 20611 block covers tendon, ligament, trigger point, and joint injections and aspirations. Whether a specific code suits the ASC setting depends on its ASC-eligibility status, worth confirming before scheduling. Because pain codes are level-specific and unit-sensitive, documentation of laterality, spinal level, and number of levels matters for clean payment.
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Interventional Pain Medicine codes(1–60 of 329)
- 64483Transforaminal epidural injection, lumbar or sacral, single level
- 64635Destroy lumbar/sac facet joint
- 64493Injection paravert f joint l/s 1 lev
- 64494Injection paravert f joint l/s 2 lev
- 62323Injection interlaminar lumbar/sac
- 20550Injection 1 tendon sheath/ligament
- 20551Injection 1 tendon origin/insertion
- 20552Injection 1/multiple trigger point 1/2
- 20553Injection 1/multiple trigger points 3/>
- 20555Place needle muscle/tissue for rt
- 20600Drain/injection joint/bursa without ultrasound
- 20604Drain/injection joint/bursa with ultrasound
- 20605Drain/injection joint/bursa without ultrasound
- 20606Drain/injection joint/bursa with ultrasound
- 20610Aspiration and/or injection of a major joint or bursa, without ultrasound guidance
- 20611Drain/injection joint/bursa with ultrasound
- 62320Injection interlaminar cervical/thoracic
- 62321Injection interlaminar cervical/thoracic
- 62322Injection interlaminar lumbar/sac
- 62324Injection interlaminar cervical/thoracic
- 62325Injection interlaminar cervical/thoracic
- 62326Injection interlaminar lumbar/sac
- 62327Injection interlaminar lumbar/sac
- 62328Diagnostic lumbar spi puncture with fluor/CT
- 62329Therapeutic spi puncture CSF fluor/CT
- 62330Percutaneous decompression by removal of the ligamentum flavum, single lumbar level
- 62331Decompression percutaneous removal lig flv additional
- 62350Implant spinal canal catheter
- 62351Implant spinal canal catheter
- 62355Remove spinal canal catheter
- 62360Insert spine infusion device
- 62361Implant spine infusion pump
- 62362Implant spine infusion pump
- 62365Remove spine infusion device
- 62367Analyze spine infus pump
- 62368Analyze sp inf pump with reprog
- 62369Anal sp inf pmp with reprg & fill
- 62370Anl sp inf pmp with mdreprg & fil
- 62380Endoscopic decompression 1 ntrspc lumbar
- 63001Remove spine lamina 1/2 crvl
- 63003Remove spine lamina 1/2 thoracic
- 63005Remove spine lamina 1/2 lumbar
- 63011Remove spine lamina 1/2 scrl
- 63012Remove lamina/facets lumbar
- 63015Remove spine lamina >2 cervical
- 63016Remove spine lamina >2 thoracic
- 63017Remove spine lamina >2 lumbar
- 63020Laminotomy decompression nerve rt 1 cervical
- 63030Lumbar laminotomy with decompression of nerve root(s), single level
- 63035Laminotomy decompression nerve rt each additional
- 63040Laminotomy single cervical
- 63042Laminotomy single lumbar
- 63043Laminotomy additional cervical
- 63044Laminotomy additional lumbar
- 63045Lam facetec & foramot cervical
- 63046Lam facetec & foramot thoracic
- 63047Lam facetec & foramot lumbar
- 63048Lam facetec &foramot each additional
- 63050Cervical laminoplsty 2/> seg
- 63051C-laminoplasty with graft/plate
Are interventional pain procedures done in an ASC?
Yes. Many spinal and joint injection and ablation procedures are performed in ambulatory surgery centers under place of service 24, and others are performed in an office-based lab under place of service 11. Whether a specific code suits the ASC setting depends on its ASC-eligibility status, worth confirming before scheduling.
What CPT codes does interventional pain medicine use?
The specialty centers on two ranges. Codes from 62320 through 64999 cover spinal and peripheral nerve work, such as transforaminal epidural injections (for example 64483), paravertebral facet joint injections (64493 and 64494), and facet nerve destruction (64635). Codes from 20550 through 20611 cover tendon, ligament, trigger point, and major joint injections and aspirations. Our dataset maps 329 ASC-relevant codes to this specialty.
How are spinal level and number of levels billed for facet and epidural injections?
Many pain codes are reported per level and per side, so the number of levels and the laterality drive both code selection and units. For example, 64493 reports a single lumbar or sacral facet joint level while 64494 reports a second level. Accurate documentation of the spinal level, side, and image guidance is needed for clean claims. DataLily AI's procedure library tracks CPT-specific prior-authorization and documentation requirements to support that detail.