Fusion · Spine

Anterior interbody arthrodesis of the cervical spine below C2, performed via anterior approach with minimal diskectomy to prepare the interspace for fusion — not performed for decompression purposes.

Verified May 8, 2026 · 5 sources ↓

Medicare: $1,215.79
Total RVUs: 36.4
Global, days: 90
Region: Spine

Drawn from CMSMedtronicEmedny

Documentation requirements

What must appear in the operative or office note to support the claim.

Source · Editorial brief grounded in 5 cited references ↓

Specify the exact interspace(s) fused by level (e.g., C5-C6), not just 'cervical spine'
Clearly state that the diskectomy was performed to prepare the interspace for fusion, not for neural decompression
Document the surgical approach (anterior, anterolateral) by name — 'standard approach' language flags audits
Record graft type and source (autograft, allograft, synthetic) and cage or implant used if applicable
Note co-surgeon involvement and each surgeon's distinct operative role if modifier 62 is appended
Document the number of interspaces treated to support 22554 alone versus 22554 plus 22585 add-on units

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 51 Multiple procedures 59 Distinct service 62 Co-surgeons 78 Unplanned return — related 79 Unrelated during global 80 Assistant surgeon AS PA/NP/CNS assistant LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 5 cited references ↓

CPT 22554 covers anterior interbody fusion of a single cervical interspace below C2, where the disk material is minimally removed to prepare the endplates for fusion rather than to relieve neural compression. The minimal diskectomy is bundled into the code — it is not separately reportable. If the anterior cervical discectomy is performed at the same level for decompression in the same session, report 22551 instead; do not stack 22554 with 63075 per CPT and NCCI guidance.

The 90-day global period covers all routine postoperative management, dressing changes, and follow-up visits through day 90. Any medically necessary service unrelated to the fusion billed during that window requires modifier 24 (E/M) or 79 (unrelated procedure). For additional interspaces fused at the same session, append add-on code 22585 for each one. When two surgeons each perform distinct portions of the anterior interbody arthrodesis together, both report 22554 with modifier 62; do not append modifier 62 to spinal instrumentation add-on codes 22840–22852.

Instrumentation codes (22840–22855) are reported separately and in addition to 22554. Document the number of interspaces, the specific interspace levels fused, the surgical approach, the graft type and source, and whether a co-surgeon was present. Payers routinely scrutinize level specificity and the distinction between fusion-prep diskectomy versus decompressive diskectomy — operative note ambiguity on that point is the primary audit trigger.

RVU & reimbursement

Component RVUs and Medicare national rate. Actual payment varies by GPCI locality.

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	17.25
Practice expense RVU	13.35
Malpractice RVU	5.8
Total RVU	36.4
Medicare national rate	$1,215.79
Global period	90 days

Payment by site of service

Medicare pays different rates by setting. HOPD typically pays substantially more than ASC for the same procedure.

Source · CMS OPPS Addendum B·ASC HCPCS payment rates·2026

Setting	Medicare rate (national)
Office (PFS non-facility) Procedure performed in physician's office	$1,215.79
HOPD (APC 5115) Hospital outpatient department	$13,116.76
ASC (PI J8) Ambulatory surgical center (freestanding)	$8,941.29

Common denial reasons

The recurring reasons claims for CPT 22554 get rejected.

Source · Editorial brief grounded in CMS NCCI edits, AAOS coding appeals, and cited references ↓

22554 billed with 63075 at the same level — NCCI bundles these; report 22551 when decompressive discectomy and fusion are performed together
Missing level-specific documentation — payers deny or downcode when operative notes reference 'cervical' without naming the interspace
22585 add-on units denied because the primary 22554 was not also billed or was denied
Modifier 62 appended to spinal instrumentation add-on codes 22840–22852 — CPT guidelines explicitly prohibit this
Global period violations — routine post-op visits billed separately within 90 days without modifier 24 or 79

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 5 cited references ↓

01When should I report 22551 instead of 22554?

Report 22551 when the anterior cervical discectomy at the same level is performed for decompression in the same operative session. CPT instructs that 22554 and 63075 should not be reported together at the same level — 22551 is the correct single code when decompression and fusion happen together.

02How do I bill for two cervical interspaces fused anteriorly in the same session?

Report 22554 for the primary interspace and add-on code 22585 for each additional interspace fused. Both codes can carry modifier 62 if two surgeons are working together as co-primaries.

03Can modifier 62 be appended to instrumentation codes billed alongside 22554?

No. CPT guidelines explicitly prohibit appending modifier 62 to spinal instrumentation add-on codes 22840–22848 and 22850–22852, even when two surgeons performed the fusion together using modifier 62 on 22554.

04Is the diskectomy separately billable when performed with 22554?

No. The minimal diskectomy to prepare the interspace is bundled into 22554. Billing a separate discectomy code for that work at the same level will be denied under NCCI bundling rules.

05What modifier applies if I need to bill a second, unrelated spine procedure during the 90-day global period?

Use modifier 79 to indicate the procedure is unrelated to the original fusion. Modifier 78 is for unplanned returns to the OR for a complication related to the original procedure — do not use 78 for unrelated work.

06Does 22554 cover bone grafting separately?

Autograft harvesting from a separate incision site can be reported separately. Allograft and synthetic graft materials are typically reported with the appropriate supply or add-on codes per payer policy. Confirm individual payer requirements — some commercial payers bundle graft costs into the facility payment.

Sources & references

Editorial content was developed using the following public sources. Last verified May 8, 2026.

Mira AI Scribe

Mira's AI scribe captures the interspace level by name, the surgeon's stated purpose for the diskectomy (fusion prep versus decompression), graft type, approach name, and co-surgeon participation directly from dictation. That structured capture prevents the most common audit flag — operative notes that describe the diskectomy ambiguously enough to trigger a 22554-versus-22551 challenge or a payer-initiated level-specificity denial.

See how Mira captures CPT 22554 documentation