CPT 22590Surgery

Arthrd pst tq craniocervical

CPT 22590 covers the surgical fusion of the upper spine where the skull meets the neck (craniocervical junction), a complex procedure to stabilize this critical area. This is a highly specialized spinal surgery typically performed for severe instability, trauma, or congenital abnormalities.

Showing rates for

National Average

Base Medicare rate

$1,577.86

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

21.76

PE RVU (NF)

18.95

MP RVU

8.07

Total RVU

48.78

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

Loading bundling edits…

Billing tips

Code 22590 is the primary craniocervical arthrodesis code; add-on codes 22632 (structural allograft) and 22842/22843 (segmental instrumentation) are separately reportable when documented
Impact: Proper use of add-on codes can increase total reimbursement by $800-$2,500 depending on graft and instrumentation levels, but requires explicit documentation of materials used
Document the specific levels fused (occiput to C1, C2, or both) with clear operative note description, as this affects whether additional level codes apply
Impact: Ambiguous level documentation is the #1 cause of downcoding or denials; clarity can preserve the full $1577.86 base reimbursement
Bill 22590 only once per session regardless of whether fusion extends from occiput to C1, C2, or both, as this is included in the base code definition
Impact: Incorrectly billing multiple units of 22590 triggers automatic denial and potential audit flags; proper single-unit billing avoids $1,577+ in downcoding
When instrumentation is placed, separately report 22842 for 3-6 segments and 22843 for each additional segment beyond 6, ensuring documentation specifies number of screws, rods, and attachment points
Impact: Instrumentation codes add significant value (22842 worth approximately $450-600) but require itemized documentation of all hardware components
For autograft harvesting from separate incision (iliac crest), report 20937 or 20938 separately with modifier 59 if performed through different approach
Impact: Autograft harvesting can add $300-600 in reimbursement when properly documented as distinct procedure with separate incision
Verify diagnosis codes support medical necessity for craniocervical fusion (M43.6 for torticollis, M48.02 for spinal stenosis of cervical region, S13.111A for atlantoaxial subluxation); generic cervical codes may trigger denials

Live Field Datano reports yet

Real billers contribute denial patterns and appeal strategies for this code. Once 5+ reports come in, you’ll see live aggregated data here — the only place this exists, free.

Working with CPT 22590?

Get the free Revenue Protection Toolkit — the denial triggers, modifier pitfalls, and bundling conflicts that quietly cost you reimbursement. Instant download.

Help build the field knowledge

MedPayIQ gets smarter as billers contribute. If you've had this code denied, share what happened so others learn from it. Anonymous, no patient info.

Related actions

Frequently asked questions

What is the Medicare reimbursement rate for CPT 22590 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 22590 is $1577.86 for both facility and non-facility settings, based on 48.78 total RVUs and the 2025 conversion factor of 32.3465.

Can CPT 22590 be billed with other cervical fusion codes?

CPT 22590 should not be billed with other primary cervical fusion codes (22600, 22610, 22614) for the same vertebral segments, as this represents unbundling. However, if fusion extends below C2 to additional cervical levels, the lower cervical fusion codes may be separately reportable with appropriate documentation of distinct levels.

What modifiers are commonly used with CPT 22590?

Common modifiers include 62 for co-surgeons (each receives 62.5% payment), 80 for surgical assistant (16% payment), 22 for increased procedural complexity (20-50% additional with documentation), and 78 for related return to OR during postoperative period.

How many RVUs is CPT code 22590 worth in 2025?

CPT 22590 has 48.78 total RVUs in 2025, comprised of 21.76 work RVUs, 18.95 practice expense RVUs (both facility and non-facility), and 8.07 malpractice RVUs, making it one of the higher-valued spinal fusion codes.

What diagnosis codes support medical necessity for CPT 22590?

Common supporting diagnoses include M43.6 (torticollis), M43.3 (recurrent atlantoaxial subluxation with myelopathy), M48.02 (spinal stenosis cervical region), S13.111A (subluxation of atlantoaxial joint), Q75.8 (congenital malformations of skull and face), and M05.21 (rheumatoid bursitis, shoulder) when affecting craniocervical junction.

Can instrumentation codes be billed separately with CPT 22590?

Yes, segmental instrumentation codes 22842 (3-6 vertebral segments) and 22843 (each additional segment) are separately reportable add-on codes when instrumentation is placed during craniocervical fusion, provided the operative note documents specific hardware components, placement locations, and number of vertebral segments instrumented.

What is the difference between CPT 22590 and 22595?

CPT 22590 describes posterior craniocervical arthrodesis (occiput-C2), while 22595 describes posterior arthrodesis for the first cervical interbody segment below the craniocervical junction (typically C2-C3 or C3-C4). They code different anatomical regions and may be reported together when fusion spans from occiput through lower cervical levels.