Spine Surgery CPT Codes Cheat Sheet for 2026: Fusion, Decompression, Instrumentation and Bone Graft

This spine surgery CPT codes cheat sheet groups every common code the way surgeons actually operate. Most spine cases combine four code families: a fusion code, a decompression code, instrumentation add-ons and bone graft add-ons. When one family is missing or paired wrongly, the claim loses money even if every other line is correct.

In short, coders bill fusion by region and approach, decompression by the type of bone removal and the number of levels, and instrumentation by the vertebral segments it spans. Bone graft, in contrast, goes on once per session, and only some graft codes pay separately. For 2026, the main change is a new add-on, +63032, for annular closure after lumbar discectomy.

Find the Right Code in Four Questions

Before opening the tables, answer four questions from the operative note. Each answer points to one code family.

Where and how was the spine fused? The region and approach pick the fusion code, such as 22612 for a lumbar posterolateral fusion or 22630 for a TLIF.

How much bone came out, and at how many levels? A laminotomy, a laminectomy and a laminectomy with facetectomy each have their own decompression code.

What hardware went in? Rods and plates count vertebral segments, while cages count interspaces.

Which graft did the surgeon use? The graft type decides whether the line pays at all, so the note must name it.

Spinal Fusion CPT Codes by Region

Spinal fusion CPT codes depend on two things: the region and the approach. Each primary code covers the first level, and an add-on covers each added level. All primary fusion codes carry a 90-day global period.

Anterior Fusion

Most cervical cases use 22551, and its cage, plate and graft add-ons follow the counting rules in the sections below.

Posterior and Posterolateral Fusion

When the surgeon performs both a posterolateral and an interbody fusion at the same lumbar level, report 22633, not 22612 plus 22630. For counting levels across regions, our multi-level spinal fusion guide walks through each step.

Decompression Codes: Laminectomy to Discectomy

Decompression codes depend on how much bone the surgeon removes and how many levels are treated. So lumbar decompression CPT codes for a simple laminotomy differ from those for a full laminectomy with facetectomy.

For example, laminectomy CPT 63047 fits a standalone lumbar decompression. However, when the same surgeon decompresses a level during a 22630 or 22633 fusion, +63052 replaces 63047 at that level. Our post on decompression with fusion explains when both are payable.

Instrumentation and Bone Graft Add-Ons

Add-ons carry a large share of the payment in many spine cases. Because each one counts differently, they also cause many of the errors on spine claims.

Instrumentation: 22840 to 22859

Spinal instrumentation CPT codes 22840-22853 count vertebral segments for rods and plates, but interspaces for cages. The 22840-22859 range also includes the pelvic, revision and other device codes:

Removal codes follow the same logic: 22850 for posterior non-segmental, 22852 for posterior segmental and 22855 for anterior hardware.

Bone Graft: 20930 to 20939

Bone graft CPT codes 20930-20939 go on once per session, however many levels are fused. Medicare treats 20930 (morselized allograft) and 20936 (local autograft) as bundled, so they do not pay separately. In contrast, 20931 (structural allograft), 20937 (morselized autograft through a separate incision), 20938 (structural autograft through a separate incision) and 20939 (bone marrow aspiration for graft) can pay separately. Missing graft and device lines are a common source of lost revenue, as our post on spine implant revenue leakage shows.

Spine Surgery CPT Codes Cheat Sheet: Pairing Errors

Correct codes still deny when they sit on the claim in the wrong combination. This side-by-side view shows the most common wrong pairs and how to fix each one.

When two surgeons share the case, each one also needs modifier 62 on the shared codes. Our post on co-surgeon modifier 62 explains how to split them.

2026 Spine CPT Changes

The 2026 spine CPT changes are small, but each one affects how a common case is billed. According to ISASS and Becker’s Spine Review, three codes changed:

• New +63032: the +63032 annular closure add-on to 63030 reports a bone-anchored device that closes a large annular defect after lumbar discectomy. It applies to one lumbar interspace, includes imaging guidance and is reported only with 63030.
• Revised 27278: minimally invasive SI joint fusion with intra-articular devices that do not pierce the bone cortices.
• Revised 27279: SI joint fusion with devices that pierce the iliac or sacral cortices, including hybrid constructs with at least one such device.

Neither source lists other changes to the core fusion, decompression, instrumentation or graft codes. Even so, payers update their edits each January, so the pairing rules above still matter in 2026.

Use This Cheat Sheet to Close Spine Coding Gaps

A spine surgery CPT codes cheat sheet is only as useful as the operative note behind it. Code the fusion by region and approach, decompression by bone removed and levels, hardware by segments or interspaces, and graft once per session. Then check each pairing against the table above before the claim goes out.

The harder part is applying the answers to every operative note, every day. MBW RCM codes each spine case against the note and current edits, and its spine surgery billing services give surgeons, ASCs and hospitals a second check before each claim goes out.

Spine Surgery CPT Codes Cheat Sheet FAQs