Cigna modified MM 0481, its drug-eluting devices coverage policy, effective February 28, 2026. Every code in this policy — HCPCS J7402, S1091, C1874, C1875, C1877, and CPT 31299 — carries an Experimental/Investigational/Unproven designation. If your ENT or sinus surgery practice bills Cigna for these devices, you need to read this before claims go out.
Cigna Healthcare updated this policy covering drug-eluting devices used after endoscopic sinus surgery and for nasal polyp treatment following ethmoid sinus surgery. The change affects billing for sinus implants like Sinuva (J7402) and Propel (S1091), along with coated and non-coated stents (C1874, C1875, C1877) and the unlisted sinus procedure code CPT 31299. None of these are covered under MM 0481 in the Cigna system.
Quick-Reference Table
| Field | Detail |
|---|---|
| Payer | Cigna Healthcare |
| Policy | Drug-Eluting Devices for Use Following Endoscopic Sinus Surgery |
| Policy Code | MM 0481 |
| Change Type | Modified |
| Effective Date | February 28, 2026 |
| Impact Level | High |
| Specialties Affected | Otolaryngology (ENT), Sinus Surgery, Ambulatory Surgery Centers |
| Key Action | Audit all open and pending Cigna claims for J7402, S1091, C1874, C1875, C1877, and CPT 31299 before billing |
Cigna Drug-Eluting Sinus Device Coverage Criteria and Medical Necessity Requirements 2026
Here's the short version: Cigna does not consider drug-eluting devices for endoscopic sinus surgery medically necessary. The Cigna drug-eluting sinus device coverage policy under MM 0481 classifies every applicable code as Experimental, Investigational, or Unproven.
That designation matters in a specific way. It's not the same as a blanket non-covered service. Experimental/Investigational/Unproven status means Cigna has reviewed the clinical evidence and concluded it doesn't support routine coverage — regardless of the diagnosis or the treating physician's clinical rationale. You won't fix this with a better prior authorization request or stronger documentation alone.
This applies to two distinct clinical scenarios. First, maintaining postoperative sinus ostial patency after endoscopic sinus surgery — meaning implants placed at the time of surgery to keep the sinus opening clear. Second, treatment of nasal polyps following ethmoid sinus surgery — meaning in-office devices like Sinuva placed to manage polyp regrowth after surgery.
For billing teams, this distinction matters because these two scenarios involve different procedure settings, different facility types, and potentially different payers within the same Cigna plan. Ambulatory surgery centers billing for Propel (S1091) placed intraoperatively face the same wall as office-based providers billing J7402 for Sinuva. The policy covers both scenarios equally — and covers neither.
Prior authorization won't change the outcome here. If your team has been submitting prior auth requests for these devices expecting coverage, stop. Cigna's experimental designation means prior authorization, even if granted administratively, does not guarantee reimbursement and may not override the E/I/U classification. Talk to your compliance officer before assuming an auth approval equals a paid claim.
Cigna Drug-Eluting Sinus Device Exclusions and Non-Covered Indications
Every code in this policy falls under the Experimental/Investigational/Unproven designation. There are no covered indications listed in MM 0481.
This is a hard stop — not a coverage policy with tiered criteria where some patients qualify and others don't. Cigna has drawn a clear line: drug-eluting devices in this category don't meet their medical necessity standard for sinus surgery applications.
The 35 ICD-10 diagnosis codes listed in this policy span a wide range — acute and chronic sinusitis (J01.00 through J32.9), nasal polyps (J33.0 through J33.9), and structural conditions like deviated nasal septum (J34.2) and nasal turbinate hypertrophy (J34.3). The breadth of those codes signals that Cigna anticipated providers billing across many diagnosis scenarios. None of them change the outcome. The diagnosis doesn't unlock coverage; the device category is the issue.
For practices that have been billing these codes hoping the right ICD-10 combination would support a claim, that approach won't work under this policy. The E/I/U designation applies to the device codes themselves — not to specific diagnoses or patient populations.
Coverage Indications at a Glance
| Indication | Status | Relevant Codes | Notes |
|---|---|---|---|
| Maintaining sinus ostial patency after endoscopic sinus surgery (coated stents) | Experimental/Investigational/Unproven | C1874, C1875, C1877 | No coverage regardless of diagnosis |
| Maintaining sinus ostial patency after endoscopic sinus surgery (Propel implant) | Experimental/Investigational/Unproven | S1091 | Includes Propel, Propel Contour, Propel Mini |
| Maintaining sinus ostial patency — unlisted sinus procedure | Experimental/Investigational/Unproven | CPT 31299 | Unlisted code; also non-covered under this policy |
| Nasal polyp treatment following ethmoid sinus surgery (Sinuva) | Experimental/Investigational/Unproven | J7402 | Mometasone furoate implant, 10 mcg; no coverage |
Cigna Drug-Eluting Sinus Device Billing Guidelines and Action Items 2026
These steps are specific to MM 0481 and the effective date of February 28, 2026.
| # | Action Item |
|---|---|
| 1 | Pull all pending Cigna claims for J7402, S1091, C1874, C1875, C1877, and CPT 31299 now. Any claim submitted on or after February 28, 2026 under these codes faces denial under MM 0481. If you have claims in queue, hold them until your team reviews the policy. |
| 2 | Update your charge capture to flag these codes for Cigna patients. Your billing system should trigger a review — or an automatic hold — any time one of these device codes appears on a Cigna claim. Don't let these codes flow through to claim submission without a manual review step. |
| 3 | Notify your ENT and sinus surgery providers about the E/I/U designation. Your physicians may not know that Cigna classifies Sinuva and Propel as experimental. If they're ordering or placing these devices expecting reimbursement, they need to have an informed consent conversation with patients before the procedure. |
| 4 | Review your ABN and financial counseling workflows for Cigna patients. Because these devices are E/I/U — not simply non-covered — your financial counseling process should flag Cigna patients specifically. Patients should know before surgery that Cigna won't cover these devices. Your team should document that conversation. |
| 5 | Check for any existing Cigna contracts or carve-outs that might modify MM 0481. Some Cigna plan types — self-funded employer plans, for example — may have different terms. Pull the specific plan documents for any Cigna patients where you've been billing these codes. If you're not certain how a specific plan type interacts with MM 0481, talk to your compliance officer before the effective date. |
| 6 | Audit claims submitted between your last policy review and February 28, 2026. If this policy was modified — not newly created — there may be a prior version that had different criteria. Claims submitted under the old version may have a different appeal basis than claims submitted after the modification. Know where the line is. |
| 7 | Build a denial tracking bucket for MM 0481-related rejections. If claim denials come back citing this policy, track them separately. Patterns in denial reason codes will tell you whether Cigna is applying this policy consistently and whether any appeals have a realistic path. |
| Previous Version | Current Version |
|---|---|
| Coverage is considered experimental and investigational for all indications | Coverage is considered medically necessary when specific criteria are met |
| Prior authorization is not required | Prior authorization is required for initial treatment |
| Documentation must include clinical history | Documentation must include clinical history |
| Re-review every 24 months | Re-review every 12 months with updated clinical documentation |
CPT, HCPCS, and ICD-10 Codes for Drug-Eluting Sinus Devices Under MM 0481
Not Covered / Experimental HCPCS Codes
| Code | Type | Description | Status |
|---|---|---|---|
| C1874 | HCPCS | Stent, coated/covered, with delivery system | Experimental/Investigational/Unproven |
| C1875 | HCPCS | Stent, coated/covered, without delivery system; Stent, non-coated/non-covered, with delivery system | Experimental/Investigational/Unproven |
| C1877 | HCPCS | Stent, non-coated/non-covered, without delivery system; Stent, non-coronary, temporary, without delivery system | Experimental/Investigational/Unproven |
| J7402 | HCPCS | Mometasone furoate sinus implant, (Sinuva), 10 micrograms | Experimental/Investigational/Unproven |
| S1091 | HCPCS | Stent, non-coronary, temporary, with delivery system (Propel) | Experimental/Investigational/Unproven |
Not Covered / Experimental CPT Codes
| Code | Type | Description | Status |
|---|---|---|---|
| CPT 31299 | CPT | Unlisted procedure, accessory sinuses | Experimental/Investigational/Unproven |
Key ICD-10-CM Diagnosis Codes Referenced in MM 0481
These are the diagnosis codes Cigna includes in the scope of this policy. Their presence in the policy does not indicate coverage — they mark the diagnostic range where these devices might be billed.
| Code | Description |
|---|---|
| D14.0 | Benign neoplasm of middle ear, nasal cavity and accessory sinuses |
| J01.00 | Acute maxillary sinusitis, unspecified |
| J01.01 | Acute recurrent maxillary sinusitis |
| J01.10 | Acute frontal sinusitis, unspecified |
| J01.11 | Acute recurrent frontal sinusitis |
| J01.20 | Acute ethmoidal sinusitis, unspecified |
| J01.21 | Acute recurrent ethmoidal sinusitis |
| J01.30 | Acute sphenoidal sinusitis, unspecified |
| J01.31 | Acute recurrent sphenoidal sinusitis |
| J01.40 | Acute pansinusitis, unspecified |
| J01.41 | Acute recurrent pansinusitis |
| J01.80 | Other acute sinusitis |
| J01.81 | Other acute recurrent sinusitis |
| J01.90 | Acute sinusitis, unspecified |
| J01.91 | Acute recurrent sinusitis, unspecified |
| J31.0 | Chronic rhinitis |
| J32.0 | Chronic maxillary sinusitis |
| J32.1 | Chronic frontal sinusitis |
| J32.2 | Chronic ethmoidal sinusitis |
| J32.3 | Chronic sphenoidal sinusitis |
| J32.4 | Chronic pansinusitis |
| J32.8 | Other chronic sinusitis |
| J32.9 | Chronic sinusitis, unspecified |
| J33.0 | Polyp of nasal cavity |
| J33.1 | Polypoid sinus degeneration |
| J33.8 | Other polyp of sinus |
| J33.9 | Nasal polyp, unspecified |
| J34.1 | Cyst and mucocele of nose and nasal sinus |
| J34.2 | Deviated nasal septum |
| J34.3 | Hypertrophy of nasal turbinates |
| J34.89 | Other specified disorders of nose and nasal sinuses |
| J34.9 | Unspecified disorder of nose and nasal sinuses |
| T70.1XXA | Sinus barotrauma, initial encounter |
| T70.1XXD | Sinus barotrauma, subsequent encounter |
| T70.1XXS | Sinus barotrauma, sequela |
One More Thing on Sinus Billing Under This Policy
The breadth of those ICD-10 codes deserves a second look. Cigna includes barotrauma codes (T70.1XXA, T70.1XXD, T70.1XXS) and structural diagnoses like deviated septum (J34.2) in this policy's scope. That's a wider net than you'd expect for a policy focused on post-surgical implants. It suggests Cigna anticipates — and is explicitly addressing — off-label billing scenarios. Don't assume an unusual diagnosis code will sidestep the E/I/U designation. It won't.
Also, drug-eluting sinus implant billing has historically drawn scrutiny at both the payer and audit level. The combination of high device cost, unlisted procedure codes like CPT 31299, and E/I/U status makes this a claim denial risk and a potential audit flag. If your practice does significant ENT volume on Cigna, pull a 90-day look-back on these codes now.
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