Heart, Lung, and Heart-Lung Transplantation - (0129) — MM 0129 | CIGNA Coverage Update

Cigna modified MM 0129 covering heart, lung, and heart-lung transplantation, effective September 26, 2025. Here's what billing teams need to know before that date.

Cigna Healthcare updated its coverage policy for thoracic organ transplantation under policy code MM 0129. This policy governs coverage for heart transplants (CPT 33945), single and double lung transplants (CPT 32851–32854), heart-lung transplants (CPT 33935), and related donor and backbench preparation procedures. If your team bills any of the 13 CPT codes or three HCPCS codes covered under this policy, the September 26, 2025 effective date is the date your documentation and charge capture need to reflect the updated criteria.

Quick-Reference Table

Cigna Heart, Lung, and Heart-Lung Transplant Coverage Criteria and Medical Necessity Requirements 2025

The Cigna heart transplant coverage policy under MM 0129 covers thoracic organ transplantation when specific medical necessity criteria are met. That phrase—"when criteria in the applicable coverage policy are met"—applies to every single code in this policy. There are no blanket approvals here.

Cigna covers transplantation of the heart, one or both lungs, individual lung lobes, and combined heart-lung procedures when performed using viable organs from appropriate donors. This includes both cadaver donors and, in the case of lobar lung transplantation, living donors. The coverage extends to donor organ procurement, cold preservation, backbench preparation, and the transplant procedure itself.

For reimbursement on any of these procedures, your clinical documentation must establish medical necessity clearly and specifically. Cigna's Omnibus Reimbursement Policy R24 governs donor organ procurement and transport separately—if your billing includes donor-side codes like CPT 33940 (donor cardiectomy) or CPT 32850 (donor pneumonectomy from cadaver), verify that your team is billing under the correct policy framework.

Prior authorization requirements for thoracic transplants are standard across major commercial payers at this level of clinical complexity. Confirm your prior authorization is in place before the procedure date, not after. A missing or expired prior auth on a heart or lung transplant claim is a six-figure denial you do not want to chase on the back end.

The real issue here is documentation specificity. Cigna's criteria distinguish between procedure types—single vs. double lung, with vs. without cardiopulmonary bypass, cadaver vs. living donor. Your charge capture needs to reflect the exact procedure performed, matched to the exact CPT code. Billing CPT 32851 (single lung transplant without bypass) when the operative report documents cardiopulmonary bypass use is a mismatch that will generate a claim denial or a take-back.

Coverage Indications at a Glance

Cigna Heart and Lung Transplant Billing Guidelines and Action Items 2025

1. Audit your charge capture for all 16 codes before September 26, 2025.

Pull every thoracic transplant claim billed in the past 12 months. Confirm that the CPT or HCPCS code on the claim matches the operative report — specifically the bypass status (CPT 32851 vs. 32852, CPT 32853 vs. 32854) and the donor type (cadaver vs. living donor).

2. Separate donor-side billing from recipient-side billing.

CPT 33940, 33930, 32850, 33933, 33944, 32855, and 32856 are donor and backbench preparation codes. They bill under different circumstances than the recipient transplant codes. Make sure your billing team knows that Cigna's Omnibus Reimbursement Policy R24 governs donor organ procurement and transport — MM 0129 does not cover that piece.

3. Confirm prior authorization status before September 26, 2025.

Thoracic transplant procedures require prior authorization. For any procedures scheduled after the effective date, verify that the authorization reflects the updated MM 0129 criteria. A prior auth issued under older criteria may not protect you from a denial under the revised coverage policy.

4. Identify HCPCS code gaps in your charge master.

Three HCPCS codes appear in this policy: S2060 (lobar lung transplantation), S2061 (living donor lobectomy), and S2152 (solid organ transplant). Not every charge master includes these by default. If your program performs living donor lobar lung transplants or bills Cigna for solid organ transplants under S2152, confirm those codes are active in your system and that Cigna accepts them for your specific contract.

5. Verify that your medical necessity documentation maps to the correct procedure.

The clinical justification in your chart needs to directly support the specific CPT code billed. "End-stage lung disease requiring transplantation" supports CPT 32851–32854. It does not, by itself, establish which bypass approach was used or whether a lobar procedure was appropriate. Your clinical documentation should answer those questions before the claim goes out — not after Cigna asks.

6. Talk to your compliance officer if your transplant program bills a high mix of Cigna lives.

This policy modification changes coverage criteria across 16 codes simultaneously. If Cigna is a significant payer in your transplant program's book of business, have your compliance officer review the full MM 0129 policy text before the September 26, 2025 effective date. The financial exposure on a denied thoracic transplant claim is substantial enough to warrant that conversation now.

CPT, HCPCS, and ICD-10 Codes for Heart, Lung, and Heart-Lung Transplantation Under MM 0129

Covered CPT Codes (When Medical Necessity Criteria Are Met)

Covered HCPCS Codes (When Medical Necessity Criteria Are Met)

ICD-10-CM diagnosis codes are not listed in MM 0129's published code set. Your team should map clinical diagnoses — end-stage heart failure, end-stage pulmonary disease, combined cardiopulmonary failure — to the appropriate ICD-10 codes based on the attending physician's documentation. If you need guidance on ICD-10 mapping for thoracic transplant indications, your coding consultant or compliance officer is the right resource.