Application of a multilayer compression system to the upper arm, typically for lymphedema management during the intensive decongestive phase.

Verified May 8, 2026 · 7 sources ↓

Medicare: $74.48
Work RVU: 0.34
Global, days: 0
Region: Other

Drawn from CMSAAPCGawenda Seminars:

Documentation requirements

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

Source · Editorial brief grounded in 7 cited references ↓

Diagnosis of lymphedema or other condition requiring multilayer compression, with ICD-10 code supported in the medical record
Description of the specific layers applied, materials used, and the anatomic region treated (e.g., arm, forearm, hand included or excluded)
Clinical justification for multilayer compression versus single-layer or elastic bandaging alone
Phase of lymphedema treatment documented (e.g., intensive/decongestive phase vs. maintenance phase)
Treating provider credentials confirmed as eligible billing entity (PT, OT, physician, or qualified NPP)
Medical necessity notation if billing across multiple dates of service to support continued treatment

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

50 Bilateral procedure 52 Reduced services 59 Distinct service 76 Repeat, same physician 77 Repeat, another physician LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 7 cited references ↓

CPT 29584 covers the clinical application of a multilayer compression bandaging system to the upper extremity (arm). This is distinct from simple elastic bandaging — it requires layered materials applied in a specific sequence to generate graduated compression for conditions such as lymphedema. The 000 global period means each application session is independently billable with no post-procedure follow-up bundled in.

As of January 1, 2025, CMS implemented duplicate payment prevention edits under CR 13670. When 29584 is billed for a lymphedema patient on the same date of service as HCPCS A6594–A6609 (compression bandaging supply codes), the HCPCS supply codes are denied. The service code (29584) is understood to include reimbursement for the bandaging materials. Do not bill both on the same DOS.

Bilateral application — treating both arms — requires modifier 50 or separate line items with LT and RT. The code is most frequently billed by physical therapists and occupational therapists in private practice settings, and by physicians and nonphysician practitioners when therapy staff provide the service incident-to. Outpatient hospitals, skilled nursing facilities, home health agencies, and comprehensive outpatient rehabilitation facilities are also recognized billing entities.

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU vs. total RVU

The work RVU (0.34) is the surgeon's own effort — the figure physician pay and productivity targets are built on. The total RVU (2.23) adds practice overhead and malpractice, and is what drives the Medicare payment below.

Work RVU	0.34
Practice expense RVU	1.88
Malpractice RVU	0.01
Total RVU	2.23
Medicare national rate	$74.48
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	$74.48
HOPD (APC 5101) Hospital outpatient department	$166.02
ASC (PI P3) Ambulatory surgical center (freestanding)	$63.44

Common denial reasons

The recurring reasons claims for CPT 29584 get rejected.

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

Duplicate payment denial when HCPCS A6594–A6609 supply codes are billed on the same DOS for a lymphedema patient
Missing or unsupported lymphedema diagnosis — payers require a specific ICD-10 code; unspecified edema codes frequently trigger review
Billing provider type not recognized as eligible entity for this code under the patient's payer
Insufficient documentation distinguishing multilayer compression from routine elastic bandaging application
Bilateral application coded without modifier 50 or LT/RT line-item separation, triggering MUE or edit failure

Frequently asked questions

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

01Can we bill 29584 and the HCPCS bandage supply codes (A6594–A6609) on the same date of service?

No. As of January 1, 2025, CMS edits under CR 13670 deny the HCPCS supply codes when 29584 is billed on the same DOS for a lymphedema patient. The procedure code is considered to include payment for the bandaging materials. Bill one or the other, not both.

02What modifier is required for bilateral upper extremity multilayer compression on the same visit?

Use modifier 50 for bilateral billing on a single line, or report two lines with LT and RT. Payer preference varies — commercial plans and Medicare MACs differ, so confirm your contractor's preference before defaulting to one approach.

03Which provider types can bill 29584?

Private practice PTs and OTs, physicians and nonphysician practitioners (including incident-to scenarios), outpatient hospitals, skilled nursing facilities, home health agencies, rehabilitation agencies, comprehensive outpatient rehabilitation facilities, and critical access hospitals are all recognized billing entities per CMS MLN Matters MM13286.

04Does 29584 have a global period that restricts same-day E/M billing?

The global period is 000 — zero days. A same-day E/M is not automatically bundled. However, if the E/M is a significant, separately identifiable service, append modifier 25 to the E/M code to distinguish it from the procedure encounter.

05How does 29584 differ from 29581?

29581 is multilayer compression applied to the lower extremity; 29584 is the upper extremity (arm). They are anatomically distinct codes and can be billed together if both limbs are treated on the same date, with appropriate laterality or bilateral modifiers.

06Is 29584 subject to Medicare therapy cap limits?

Yes. When billed by PTs or OTs, this service counts against the Medicare outpatient therapy threshold. Track cumulative therapy utilization per patient — once the threshold is reached, the KX modifier is required to attest medical necessity for continued services above the threshold.

Sources & references

Editorial content was developed using the following public sources. Last verified May 8, 2026.

01CMS Physician Fee Schedule 2026
02CMS MLN Matters MM13286 — https://www.cms.gov/files/document/mm13286-lymphedema-compression-treatment-items-implementation.pdf
03CMS Change Request 13670 — https://www.cms.gov/files/document/r12725otn.pdf
04AAPC Knowledge Center: Billing Lymphedema Compression Treatment in 2025 — https://www.aapc.com/blog/91251-billing-lymphedema-compression-treatment-in-2025/
05Gawenda Seminars: How to Bill for CPT Codes 29581–29584 — https://gawendaseminars.com/billing-cptcodes-29581-29584/
06Gawenda Seminars: Lymphedema and CPT Codes 29581 & 29584 — https://gawendaseminars.com/lymphedema-and-cpt-codes-29581-29584/
07CMS Medicaid NCCI Coding Policy Manual 2025 — https://www.cms.gov/files/document/2025nccimedicaidpolicymanualcomplete.pdf

Mira Scribe

Mira's AI scribe captures the number of compression layers applied, materials used, the specific arm segment treated, the treatment phase (intensive vs. maintenance), and the clinical indication driving multilayer compression over simpler alternatives. This prevents the most common audit flag: notes that document 'compression applied' without specifying the multilayer construct, which payers use to reclassify the service as elastic bandaging and deny 29584.

See how Mira captures CPT 29584 documentation