Fusion · Spine

Single-interspace lumbar laminotomy with nerve root decompression, including partial facetectomy, foraminotomy, and/or herniated disc excision performed via open surgical technique.

Verified May 8, 2026 · 7 sources ↓

Medicare: $898.15
Total RVUs: 26.89
Global, days: 90
Region: Spine

Drawn from CMSMedicare.govMidwestaaoeAAOSCgsmedicare

Documentation requirements

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

Source · Editorial brief grounded in 7 cited references ↓

Operative report must name the open surgical approach and confirm laminotomy was performed — not just disc excision alone
Specify the exact lumbar interspace treated (e.g., L4-L5) in both the op note and diagnostic imaging reports
Document history and duration of failed conservative/non-surgical management prior to surgery
Pre-operative MRI or CT confirming herniated disc or nerve root compression at the coded level
If modifier 22 is appended, include a separate paragraph in the op note quantifying the additional work and why it was required
Dural repair or soft-tissue graft harvested from within the primary incision must be noted as included — do not separately code these components

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 24 Unrelated E/M during global 25 Significant separate E/M 51 Multiple procedures 57 Decision for surgery 58 Staged or related 59 Distinct service 76 Repeat, same physician 77 Repeat, another physician 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 7 cited references ↓

63030 covers an open posterior laminotomy at one lumbar interspace where the surgeon removes enough lamina, bone, and ligamentous tissue to decompress the affected nerve root — including partial facetectomy and/or foraminotomy as needed, plus discectomy when a herniated disc is the compressive culprit. The operative components are inseparable: if laminotomy with nerve root decompression is not actually performed, the code doesn't apply even if a disc is excised. Small intraoperative dural lacerations repaired within the same incision and soft-tissue grafts harvested from within the primary wound are included in the code — don't bill them separately.

Code selection is diagnosis-driven. When the operative note documents herniated disc as the primary pathology, 63030 is the correct choice over 63047 (laminectomy with stenosis as the driver) or 63056 (transpedicular approach). If two interspaces are treated at the same session, add 63035 for each additional lumbar level — not a second unit of 63030. The global period is 90 days, so all routine post-op management through day 90 is bundled. Modifier 24 is required for unrelated E/M visits during that window; modifier 79 covers an unrelated surgical procedure in the global period; modifier 76 or 77 handles a recurrent disc requiring repeat decompression within 90 days by the same or a different surgeon.

Site of service matters significantly here: HOPD and ASC payments differ substantially (see the Site of Service comparison table on this page). Payers — including Medicare — require documented failure of conservative treatment before authorizing the procedure, so that history must appear in the pre-op record, not just the operative note.

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	11.7
Practice expense RVU	11.35
Malpractice RVU	3.84
Total RVU	26.89
Medicare national rate	$898.15
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	$898.15
HOPD (APC 5114) Hospital outpatient department	$7,413.38
ASC (PI G2) Ambulatory surgical center (freestanding)	$3,695.53

Common denial reasons

The recurring reasons claims for CPT 63030 get rejected.

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

Missing or insufficient documentation of failed conservative therapy before surgery
Operative note describes discectomy only without confirming laminotomy/decompression was performed, making 63030 unsupported
Incorrect interspace count — billing two units of 63030 instead of 63030 + 63035 for a two-level procedure
Code mismatch between the ICD-10 diagnosis (e.g., stenosis coded when herniation drove the surgery) and the CPT selected
E/M visit billed in the 90-day global period without modifier 24 when the visit was unrelated to the operative diagnosis
Bilateral modifier or duplicate billing errors when the procedure is performed at a single level

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 7 cited references ↓

01What's the difference between 63030 and 63047?

63030 is indicated when a herniated disc is the primary compressive pathology and an open laminotomy with nerve root decompression is performed. 63047 is used when lumbar spinal stenosis — not a discrete herniation — drives the decompression, and it typically involves more extensive bone removal. Diagnosis documentation determines which code is correct; the operative approach alone is not sufficient to distinguish them.

02How do I bill a two-level lumbar decompression at the same session?

Bill 63030 for the first lumbar interspace and add 63035 for each additional lumbar interspace treated at the same operative session. Do not report two units of 63030 — that will trigger an MUE edit.

03Can I separately bill for a dural tear repair found and fixed during the 63030 procedure?

No. A small intraoperative dural laceration repaired within the primary incision is considered part of the intraservice work and is bundled into 63030. Separate billing for it will be denied as included in the primary procedure.

04If the patient returns within 90 days with a recurrent disc herniation requiring repeat decompression, what modifier applies?

Use modifier 76 if the same surgeon performs the repeat procedure, or modifier 77 if a different surgeon does. Both indicate a repeat of the same procedure that was not planned at the time of the original surgery. Do not use modifier 78 unless it's an unplanned return to the OR for a complication of the original procedure.

05When does modifier 57 apply to an E/M visit on the day of or day before 63030?

Append modifier 57 to the E/M code — not to 63030 — when the decision for surgery is made at that visit. Since 63030 carries a 90-day global period, any pre-op E/M visit within 24 hours where the surgical decision occurs requires modifier 57 to be separately payable by Medicare.

06Is pre-authorization typically required for 63030?

Most commercial payers and Medicare Advantage plans require prior authorization. Medicare fee-for-service does not require prior auth but does expect documented medical necessity — specifically, failed conservative management — to survive a post-payment audit. Confirm requirements with the specific payer before scheduling.

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 surgical approach by name, the specific interspace treated, all decompressive components performed (laminotomy extent, facetectomy, foraminotomy, discectomy), and any intraoperative findings such as dural adhesions or epidural bleeding that would support modifier 22. It also flags whether conservative treatment failure is documented in the pre-op assessment. This prevents the two most common audit triggers for 63030: operative notes that omit confirmation of laminotomy and pre-authorization denials tied to missing non-surgical management history.

See how Mira captures CPT 63030 documentation