Fusion · Spine

Add-on code for laminectomy, facetectomy, or foraminotomy performed at a single lumbar vertebral segment during posterior interbody arthrodesis, with decompression of spinal cord, cauda equina, or nerve roots.

Verified May 8, 2026 · 6 sources ↓

Medicare: $229.80
Total RVUs: 6.88
Global, days
Region: Spine

Drawn from CMSAAPCAansIsassMedtronic

Documentation requirements

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

Source · Editorial brief grounded in 6 cited references ↓

Identify the specific lumbar vertebral segment(s) decompressed by level (e.g., L4-5) — vague level documentation triggers audit flags.
Document whether decompression was unilateral or bilateral and the specific technique performed (laminectomy, facetectomy, or foraminotomy).
Confirm the primary posterior interbody arthrodesis code (22630 or 22633) is supported by documentation of fusion work at the same level.
Document clinical indication for decompression — spinal stenosis, lateral recess stenosis, or nerve root compression — with correlation to preoperative imaging.
Operative note must distinguish decompression work from the arthrodesis work; a single undifferentiated narrative supports denial.

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 51 Multiple procedures 62 Co-surgeons 80 Assistant surgeon AS PA/NP/CNS assistant

What this code covers

Source · Editorial summary grounded in 6 cited references ↓

63052 is an add-on code (+) reported for decompression work — laminectomy, facetectomy, or foraminotomy — performed at one lumbar vertebral segment during a posterior interbody arthrodesis procedure such as a PLIF (22630) or TLIF (22633). It cannot stand alone; it requires a primary arthrodesis code. The decompression may be unilateral or bilateral and targets stenosis of the spinal canal or lateral recess, relieving pressure on the spinal cord, cauda equina, or nerve roots.

A known NCCI complication affected this code starting July 1, 2023: CMS edits incorrectly bundled 63052 as a component of its parent codes 22630 and 22633, triggering widespread denials. Multiple specialty societies flagged this as contrary to AMA/CPT reporting rules, since 63052 describes work integral to but separately reportable from the arthrodesis. Monitor CMS communications and your MAC for reprocessing guidance on affected dates of service. Do not append modifier 59 or X-modifiers to override this edit — doing so implies the decompression was at a different level than the arthrodesis, which is incorrect.

For additional lumbar segments decompressed during the same arthrodesis session, report +63053. The global period is ZZZ, meaning this add-on code carries no independent global period and inherits the global of the primary procedure.

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	4.14
Practice expense RVU	1.39
Malpractice RVU	1.35
Total RVU	6.88
Medicare national rate	$229.80
Global period	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	$229.80

Common denial reasons

The recurring reasons claims for CPT 63052 get rejected.

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

NCCI bundling edit (effective July 1, 2023) incorrectly bundles 63052 into parent codes 22630/22633 — flag claims in that window for reprocessing.
Billed without a primary arthrodesis code; 63052 is an add-on and cannot be reported as a standalone procedure.
Modifier 59 appended to force the edit — payers interpret this as decompression at a different level than the arthrodesis, creating a medical necessity conflict.
Operative note lacks level-specific documentation or conflates decompression and fusion steps, making separate reporting indefensible on audit.
Incorrect use of 63052 for cervical or thoracic levels — this code is lumbar only.

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 6 cited references ↓

01Can 63052 be billed without a primary arthrodesis code?

No. 63052 is a plus (+) add-on code and requires a primary posterior interbody arthrodesis code — typically 22630 (PLIF) or 22633 (TLIF) — on the same claim. Submitting it as a standalone results in an automatic denial.

02What happened with the 2023 NCCI edit affecting 63052?

Effective July 1, 2023, CMS edits incorrectly listed 63052 as a component (column 2) code of 22630 and 22633, causing systematic denials. Multiple specialty societies notified CMS this conflicted with AMA/CPT reporting rules. Flag all claims for dates of service on or after July 1, 2023 and monitor your MAC for reprocessing instructions.

03Can modifier 59 or an X-modifier override the NCCI edit on 63052?

No. Appending modifier 59 or any X-EPSU modifier signals that the decompression was at a different level than the arthrodesis. Since 63052 is specifically for decompression at the same level as the fusion, that modifier use is clinically inaccurate and will create a medical necessity problem on audit.

04What code covers decompression at additional lumbar levels during the same arthrodesis?

Report +63053 for each additional lumbar vertebral segment decompressed during the same posterior interbody arthrodesis session. One unit of 63052 covers the first segment; 63053 covers each segment beyond that.

05What is the global period for 63052?

ZZZ. Add-on codes carry no independent global period. The global obligations follow the primary arthrodesis code (22630 or 22633) billed on the same claim.

06Can two surgeons each bill 63052 for the same case using modifier 62?

Modifier 62 applies when two surgeons perform distinct parts of a procedure as co-surgeons. If both surgeons are documented as contributing to the decompression work at the same level, modifier 62 may be appropriate — but both operative notes must independently support the co-surgeon arrangement and each surgeon's distinct contribution.

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 specific lumbar level(s) decompressed, the technique used (laminectomy, facetectomy, or foraminotomy), laterality, and the primary arthrodesis procedure performed at the same level. This prevents the most common audit failure on 63052 claims: an operative note that documents the fusion in detail but leaves the decompression work undifferentiated, giving payers grounds to bundle both into the primary arthrodesis code.

See how Mira captures CPT 63052 documentation