Arthroscopic surgical procedure on the elbow involving removal of a loose body or foreign body through the arthroscope, requiring either a separate incision or enlarged portal when the fragment equals or exceeds the cannula diameter.

Verified May 8, 2026 · 5 sources ↓

Medicare: $468.61
Total RVUs: 14.03
Global, days: 90
Region: Elbow

Drawn from CMSAAPCCgsmedicare

Documentation requirements

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

Source · Editorial brief grounded in 5 cited references ↓

Confirm loose body size equals or exceeds the arthroscopic cannula diameter — document this measurement explicitly in the operative note
Describe the removal technique: whether a separate incision or enlarged portal was required and used
Name the approach and portal placement sites; avoid generic language like 'standard portals'
Document the nature of the loose body — osteochondral fragment, bone chip, foreign material — and its intra-articular location
Record intraoperative findings that necessitated surgical intervention, not just diagnostic observation
If billing additional elbow arthroscopy codes same-day, document each procedure as a distinct surgical step with its own findings and rationale

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 58 Staged or related 59 Distinct service 78 Unplanned return — related 79 Unrelated during global 80 Assistant surgeon LT Left side RT Right side XS Separate structure

What this code covers

Source · Editorial summary grounded in 5 cited references ↓

CPT 29834 covers arthroscopic elbow surgery specifically for removal of a loose body or foreign body — bone fragments, osteochondral pieces, or foreign material within the joint. Since AMA revised the CPT instructions in December 2020, the loose body must be at least as large as the arthroscopic cannula diameter and removal must require either a separate incision or an enlarged portal. If the fragment is smaller and comes out through the standard working portal without modification, 29834 is not supported.

The elbow does not carry the same rigid bundling restrictions that govern shoulder arthroscopy. Unlike the shoulder, there are no CPT-specific criteria that must be met to separately report elbow debridement, and code selection turns on how the operative note documents what was performed. That said, always check NCCI PTP edits before billing 29834 alongside other elbow arthroscopy codes in the same session — AAPC forum discussions confirm 29834 and 29835 do not trigger an NCCI edit against each other, but payer contracts may still deny the combination.

The 90-day global period applies. All routine post-op visits, portal site care, and directly related E/M services through day 90 are bundled. Unrelated conditions managed during that window need modifier 24; a significant, separately identifiable E/M on the day of surgery needs modifier 25.

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	6.26
Practice expense RVU	6.51
Malpractice RVU	1.26
Total RVU	14.03
Medicare national rate	$468.61
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	$468.61
HOPD (APC 5113) Hospital outpatient department	$3,342.87
ASC (PI A2) Ambulatory surgical center (freestanding)	$1,644.87

Common denial reasons

The recurring reasons claims for CPT 29834 get rejected.

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

Loose body too small: fragment did not meet the cannula-diameter threshold and no separate incision or enlarged portal was used or documented
Bundling denial when billed with other elbow arthroscopy codes — payer-specific contract restrictions even when no NCCI PTP edit exists
Insufficient operative note detail: 'loose body removed arthroscopically' without size, method, or portal modification documented
Global period conflict: post-op E/M billed without modifier 24 or 25 within the 90-day window
Authorization mismatch: pre-auth obtained for diagnostic arthroscopy only, not the surgical removal code

Frequently asked questions

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

01Does every arthroscopic elbow loose body removal qualify for 29834?

No. Since the December 2020 CPT revision, the loose body must be at least as large as the cannula diameter and removal must require a separate incision or enlarged portal. Fragments flushed out through a standard portal without modification do not support 29834.

02Can I bill 29834 and 29835 together for the same elbow?

There is no NCCI PTP edit blocking that combination — AAPC forum discussions and coding resources confirm no bundling edit between 29834 and 29835. However, some payers deny it contractually. Check your specific payer contract and append modifier 59 or XS only if documentation supports distinct procedures.

03What modifier do I use for an unrelated procedure during the 90-day global?

Modifier 79 covers an unrelated procedure performed during the 90-day global period. Modifier 78 is for an unplanned return to the OR for a procedure directly related to the original surgery. Do not invert these.

04Is modifier 22 ever appropriate for 29834?

Yes, when the removal required substantially more work than typical — for example, multiple large fragments requiring multiple portal modifications, or unusually difficult anatomy. Document the extra time, effort, and complexity explicitly; expect payer requests for operative notes.

05How does the site of service affect reimbursement for 29834?

29834 reimburses differently in a hospital outpatient department versus an ASC under the 2026 CMS Physician Fee Schedule. See the Site of Service comparison table on this page for the specific HOPD and ASC facility payment figures.

06Does elbow arthroscopy debridement bundle into 29834?

Unlike the shoulder, CPT does not impose specific bundling rules on elbow debridement codes. Whether limited or extensive debridement is separately reportable alongside 29834 depends on what the operative note documents as distinct surgical work, plus any applicable NCCI PTP edits for that code pair.

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 loose body size relative to cannula diameter, the specific removal technique (separate incision vs. enlarged portal), portal placement sites, and intraoperative findings from the surgeon's dictation. This prevents the most common 29834 denial: a note that confirms removal happened but omits the size threshold and technique details that the December 2020 CPT revision made mandatory for code support.

See how Mira captures CPT 29834 documentation