Surgical · Spine

Removal of posterior nonsegmental spinal instrumentation — for example, a Harrington rod — without concurrent reinsertion or new hardware placement.

Verified May 8, 2026 · 9 sources ↓

Medicare: $716.78
Total RVUs: 21.46
Global, days: 90
Region: Spine

Drawn from AAPCCMSMdclaritySrsBedrockbilling

Documentation requirements

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

Source · Editorial brief grounded in 9 cited references ↓

Identify the specific implant being removed by name or type (e.g., Harrington rod, nonsegmental posterior construct) — generic 'hardware removal' language flags audits.
State the clinical indication for removal: infection, pain, device failure, implant rejection, or other documented pathology.
Confirm that no new instrumentation was inserted at any of the previously instrumented levels during the same operative session.
Document the spinal levels involved and the posterior surgical approach used.
Operative note must clearly distinguish this as a standalone removal, not a component of reinsertion or new instrumentation placement.
If billed same-day with arthrodesis, decompression, or another definitive spinal procedure, document medical necessity for each service distinctly.

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 51 Multiple procedures 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 XS Separate structure

What this code covers

Source · Editorial summary grounded in 9 cited references ↓

CPT 22850 covers surgical removal of posterior nonsegmental spinal fixation hardware, such as a Harrington rod, when that removal is the definitive intent of the procedure. Indications include hardware infection, implant failure, pain, or device rejection. The code carries a 90-day global period, so any routine follow-up within that window is bundled.

The most critical coding rule: use 22850 only when hardware removal is the standalone objective. If new instrumentation is inserted at any of the previously instrumented levels during the same session, bill only the appropriate insertion code (22840–22848) — removal is included and 22850 is not separately reportable. Similarly, if the surgeon reinserts hardware at the same levels, use 22849 (reinsertion), which already includes the removal; stacking 22850 with 22849 at the same levels is incorrect. If 22850 is billed alongside other definitive spinal procedures such as arthrodesis or decompression, modifier 51 applies.

Non-facility (office or non-facility setting) is atypical for this procedure given its surgical nature. Most claims will be billed in a facility setting, where the physician professional fee is based on the facility RVU. HOPD and ASC payment rates differ significantly — see the Site of Service comparison table on this page.

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	9.57
Practice expense RVU	8.88
Malpractice RVU	3.01
Total RVU	21.46
Medicare national rate	$716.78
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	$716.78
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 22850 get rejected.

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

Billing 22850 with 22849 (reinsertion) or 22840–22848 (new instrumentation) at overlapping spinal levels — removal is bundled into those codes.
Missing modifier 51 when 22850 is reported alongside other definitive spinal procedures on the same date.
Operative note fails to specify the type of instrumentation removed, triggering a medical necessity or specificity denial.
Global period conflict — payer bundles a reoperation into the 90-day global of the original instrumentation surgery without modifier 78 or 79 to unbundle.
Place of service mismatch between the claim and the facility where the procedure was performed.

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 9 cited references ↓

01Can I bill 22850 and 22849 together on the same claim?

No — not at the same spinal levels. CPT guidelines state that 22849 (reinsertion) includes removal; reporting 22850 alongside it at the same levels is incorrect. If the levels are truly different and clinically distinct, modifier 59 or XS may apply, but that scenario is rare and requires explicit documentation.

02If the surgeon removes old hardware and places new instrumentation at the same levels, which code do I use?

Bill only the appropriate insertion code (22840–22848) for the type and extent of new instrumentation placed. 22850 is not separately reportable when new hardware is inserted at levels that include any of the previously instrumented segments. If new hardware extends beyond the original levels, still use the insertion code — it covers the entire construct.

03Does 22850 need modifier 51 when billed with spinal fusion or decompression?

Yes. CPT guidelines explicitly state that 22850 is subject to modifier 51 when reported with other definitive procedures, including arthrodesis, decompression, and exploration of fusion on the same date.

04Which modifier applies if the patient returns to the OR for hardware removal during the postoperative global period?

Use modifier 78 if the return to the OR is for a complication or directly related issue from the original surgery (unplanned, related procedure). Use modifier 79 if the removal is unrelated to the original surgery. Do not swap these — inverting 78 and 79 is a common audit finding.

05Is 22850 specific to Harrington rods, or does it cover other nonsegmental posterior implants?

The Harrington rod is the example in the code descriptor, but 22850 applies to any posterior nonsegmental instrumentation construct. The key distinction is nonsegmental — if the removed hardware is segmental (pedicle screws, multiple hooks across vertebral segments), use 22852 instead.

06Can 22850 be billed in the office or clinic setting?

Technically the code is not site-restricted, but posterior spinal hardware removal of this type virtually always requires an OR or procedure suite. A non-facility place of service claim will face heavy scrutiny and likely denial. Bill with the facility POS code matching where the procedure was actually performed.

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 implant name and type (e.g., Harrington rod, nonsegmental posterior construct), the documented clinical indication for removal, the spinal levels accessed, and an explicit statement that no new instrumentation was placed at those levels. That documentation package prevents the two most common denials: bundling into a concurrent insertion code and medical necessity rejections from vague operative language.

See how Mira captures CPT 22850 documentation