Application of a short arm dynamic splint extending from the forearm to the hand, allowing controlled movement while supporting the injured area.

Verified May 8, 2026 · 4 sources ↓

Medicare: $85.51
Total RVUs: 2.56
Global, days: 0
Region: Hand

Drawn from CMSAAPC

Documentation requirements

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

Source · Editorial brief grounded in 4 cited references ↓

Specify that the splint is dynamic (allows motion), not static — 'splint applied' alone is insufficient to distinguish 29126 from 29125
Document the injury or diagnosis driving the splint application, including anatomic location (forearm, wrist, hand)
Record the clinical rationale for choosing a dynamic design — e.g., prevention of contracture, facilitation of active rehabilitation
Note laterality (left vs. right forearm) in the procedure note to support LT/RT modifier billing
If billed same-day as an E/M, document that the evaluation was separately identifiable and medically necessary beyond the splint application decision
Document any splinting materials used to support HCPCS supply code (Q4021–Q4024) reporting per CMS fracture care billing guidance

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

25 Significant separate E/M 51 Multiple procedures 59 Distinct service 76 Repeat, same physician LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 4 cited references ↓

29126 covers the application of a short arm dynamic splint — forearm to hand — where the splint design permits guided, controlled motion rather than rigid immobilization. Dynamic splints are used when the clinical goal is to facilitate rehabilitation, prevent contracture, or allow protected range of motion during healing, as opposed to the static splint captured by 29125.

The 000 global period means there is no bundled follow-up — each visit after application bills separately. When the splint is applied on the same day as an E/M, append modifier 25 to the E/M to establish that the evaluation was a separately identifiable service. If the splint application follows a fracture care procedure that carries its own global period, the splint may already be bundled into that global; confirm with NCCI edits before billing both.

CMS fracture care billing guidance crosswalks 29126 to HCPCS supply codes Q4021 through Q4024 for the splinting materials. Payer rules on separately reimbursing those supply codes vary — some bundle them into the procedure payment, others require the Q-code on the same claim line. Verify by payer before submitting materials codes.

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	0.66
Practice expense RVU	1.81
Malpractice RVU	0.09
Total RVU	2.56
Medicare national rate	$85.51
Global period	0 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	$85.51
HOPD (APC 5734) Hospital outpatient department	$135.93

Common denial reasons

The recurring reasons claims for CPT 29126 get rejected.

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

Static vs. dynamic splint not distinguished in documentation — payer defaults to lower-value 29125 or denies 29126 outright
Same-day E/M denied for missing modifier 25 when billed alongside the splint application
Splint bundled into a same-day fracture care code's global period without NCCI edit review
Laterality modifiers LT/RT missing when payer requires them for upper extremity procedures
Supply codes (Q4021–Q4024) denied or bundled by payers that do not separately reimburse materials for splint application codes

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 4 cited references ↓

01What is the difference between 29125 and 29126?

29125 is a static short arm splint — rigid, no intentional motion. 29126 is dynamic — the splint is designed to permit controlled movement. The clinical decision and the documentation must reflect which type was applied; you cannot choose based on reimbursement.

02Can 29126 be billed on the same day as an E/M?

Yes, but modifier 25 is required on the E/M code to show the evaluation was a separately identifiable service beyond the decision to apply the splint. Without modifier 25, the E/M is routinely bundled and denied.

03Does 29126 have a global period?

The global period is 000 — day of service only. There is no bundled post-op follow-up. Subsequent visits for the same condition bill separately under the appropriate E/M code.

04How do I bill for the splinting materials with 29126?

CMS fracture care billing guidance crosswalks 29126 to HCPCS supply codes Q4021 through Q4024. Whether a given payer pays those codes separately or bundles them into 29126 varies — check payer policy before submitting the supply codes on the claim.

05Should I use modifier LT or RT when billing 29126?

Yes, when only one arm is splinted. Append LT for left forearm, RT for right. Most payers require laterality modifiers for paired upper extremity procedures, and omitting them can trigger a denial or a request for documentation.

06Is 29126 bundled into fracture care codes?

It can be. If you bill a fracture care code with its own global period on the same day, the splint may already be included in that global. Check the applicable NCCI edits for the specific fracture care code pairing before submitting 29126 separately.

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 splint type (dynamic), anatomic extent (forearm to hand), laterality, clinical indication, and the provider's rationale for choosing dynamic rather than static immobilization. That specificity prevents the most common audit flag on 29126: documentation that fails to distinguish the splint design, forcing a downcode to 29125 or a denial.

See how Mira captures CPT 29126 documentation