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HCPCS L3677 · Level II · orthotic and prosthetic code

L3677: Shoulder orthosis, shoulder joint design, without joints, may include soft interface, HCPCS Level II orthotic and prosthetic code

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: HCPCS Level II file: October 2026 (effective October 1, 2026); NCCI MUE tables: 2026 Q4 (effective October 1, 2026); NCCI PTP edits: v323r0 (2026 Q4) (effective October 1, 2026); OPPS Addendum B: October 2026 (effective October 1, 2026). Next CMS release: January 1, 2027 (quarterly update).

Key facts for L3677

Medicare payment
paid outside OPPS
OPPS SI A: another fee schedule or payment system
Coverage code
D
special coverage instructions apply
Practitioner MUE
0
MAI 3
OPPS status
SI A
Services not paid under OPPS; paid under fee schedule or other payment system
NCCI PTP pairs
0
practitioner file
LCDs and articles
0 / 0

TL;DR

CMS describes HCPCS L3677, added in 2002, as "Shoulder orthosis, shoulder joint design, without joints, may include soft interface, straps, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise". Part B does not price L3677 separately: the HCPCS file gives it pricing indicator 00. None of the October 2026 PFS, DMEPOS, CLFS, OPPS or ASC files lists a national amount for L3677. Its OPPS status indicator is A, which the I/OCE table defines as "Services not paid under OPPS; paid under fee schedule or other payment system": Medicare pays L3677 under a fee schedule or payment system other than OPPS. Its 2026 Q4 MUEs per date of service: practitioner 0 (MAI 3, CMS Policy); hospital outpatient 1 (MAI 2, Code Descriptor / CPT Instruction); DME supplier 1 (MAI 2, Code Descriptor / CPT Instruction). L3677 appears in no active LCD or billing and coding article, so coverage follows HCPCS coverage code D (special coverage instructions apply) and any NCD. HCPCS record: BETOS Z2 (not assigned to a BETOS category); pricing indicator 00; type of service P (lump-sum purchase of DME, prosthetics or orthotics). 7 other active codes open with "Shoulder orthosis"; related codes: L3674, L3671, L3670, L3660.

L3677 descriptor and code status

The October 2026 HCPCS Level II file describes L3677 as “Shoulder orthosis, shoulder joint design, without joints, may include soft interface, straps, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise”. It sits in the L section (orthotic and prosthetic procedures and devices), listed with the other L codes.

HCPCS file attributes of L3677
FieldValue
Short descriptorSo hard plas stabili pre cst
Added to HCPCS2002-01-01
Last actionN (no maintenance), effective 2014-01-01
Coverage codeD: special coverage instructions apply
Pricing indicator00: not separately priced by Part B
BETOS categoryZ2: not assigned to a BETOS category
Type of serviceP: lump-sum purchase of DME, prosthetics or orthotics

Medicare payment for L3677

Part B does not price L3677 separately: the HCPCS file gives it pricing indicator 00. None of the October 2026 PFS, DMEPOS, CLFS, OPPS or ASC files lists a national amount for L3677. Its OPPS status indicator is A, which the I/OCE table defines as "Services not paid under OPPS; paid under fee schedule or other payment system": Medicare pays L3677 under a fee schedule or payment system other than OPPS. The amounts below are national figures from the October 2026 CMS files; the contractor applies the locality, rural or state adjustment and the beneficiary's cost sharing.

Hospital outpatient (OPPS Addendum B)

Status indicator A (Services not paid under OPPS; paid under fee schedule or other payment system), with no separate OPPS payment rate.

Medically Unlikely Edits for L3677

Its 2026 Q4 MUEs per date of service: practitioner 0 (MAI 3, CMS Policy); hospital outpatient 1 (MAI 2, Code Descriptor / CPT Instruction); DME supplier 1 (MAI 2, Code Descriptor / CPT Instruction). The practitioner MUE is a date-of-service clinical edit: units above the limit deny but can be paid on appeal with documentation.

MUE values for L3677 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services03 Date of Service Edit: ClinicalCMS Policy
Facility outpatient hospital12 Date of Service Edit: PolicyCode Descriptor / CPT Instruction
DME supplier12 Date of Service Edit: PolicyCode Descriptor / CPT Instruction

The MUE lookup for L3677 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

No active practitioner PTP pair lists L3677 in v323r0.

L3677 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Pair counts show exposure, not the answer for one claim. Check L3677 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for L3677

No current LCD or billing and coding article lists L3677. The HCPCS coverage code D means special coverage instructions apply, and any National Coverage Determination for the service still applies.

Denials to expect on L3677

CARC 50 · N115

the service is not reasonable and necessary for the diagnosis on the claim

CARC 151 · N362

units of L3677 exceed the practitioner MUE of 0 per date of service

CARC 4

the modifier reported is inconsistent with the code

CARC 16

the claim lacks information needed to adjudicate the line, such as an order, NPI or required modifier

Where QuickIntell fits for L3677 claims

QuickCode supports qualified coder review of units, modifiers and NCCI pairs for L3677 before the claim leaves, and QuickRCM carries claim readiness and the denial follow-up when an edit or coverage policy is missed.

See QuickCode for coder reviewSee QuickRCM for denial follow-upBook a meeting

Frequently asked questions: HCPCS L3677

What does HCPCS code L3677 describe?

"Shoulder orthosis, shoulder joint design, without joints, may include soft interface, straps, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise" (short descriptor "So hard plas stabili pre cst"), in the L section (orthotic and prosthetic procedures and devices). Added 2002-01-01; last action N (no maintenance) effective 2014-01-01.

Is L3677 a CPT code?

No. L3677 is a CMS HCPCS Level II code; CPT codes are the AMA's five-character set.

What does Medicare pay for L3677?

Part B does not price L3677 separately: the HCPCS file gives it pricing indicator 00. None of the October 2026 PFS, DMEPOS, CLFS, OPPS or ASC files lists a national amount for L3677. Its OPPS status indicator is A, which the I/OCE table defines as "Services not paid under OPPS; paid under fee schedule or other payment system": Medicare pays L3677 under a fee schedule or payment system other than OPPS.

How many units of L3677 can be billed per day?

Its 2026 Q4 MUEs per date of service: practitioner 0 (MAI 3, CMS Policy); hospital outpatient 1 (MAI 2, Code Descriptor / CPT Instruction); DME supplier 1 (MAI 2, Code Descriptor / CPT Instruction). For the practitioner MUE (MAI 3), units above 0 deny for the day but can be paid on appeal with documentation; denials arrive as CARC 151.

Does Medicare cover L3677?

L3677 appears in no active LCD or billing and coding article, so coverage follows HCPCS coverage code D (special coverage instructions apply) and any NCD.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

This page is an operational reference compiled from CMS publications: the HCPCS Level II file, the physician, DMEPOS and clinical laboratory fee schedules, OPPS and ASC addenda, NCCI MUE, PTP and add-on edit tables and the Medicare Coverage Database. Amounts are Medicare national figures before locality and state adjustment; Medicaid and commercial payers set their own. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.