C56.9: Malignant neoplasm of unspecified ovary

C56.9, malignant neoplasm of unspecified ovary, is listed as a covered diagnosis in 6 Medicare billing and coding articles that apply to 44 HCPCS Level II codes, including J9217 (Leuprolide acetate (for depot suspension), 7.5 mg), J1952 (Leuprolide injectable, camcevi, 1 mg), J3315 (Injection, triptorelin pamoate, 3.75 mg). The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with C56.9 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
J9217Leuprolide acetate (for depot suspension), 7.5 mgSpecial coverage instructions apply—2
J1952Leuprolide injectable, camcevi, 1 mgCarrier judgment—2
J3315Injection, triptorelin pamoate, 3.75 mgSpecial coverage instructions apply—2
J1954Injection, leuprolide acetate for depot suspension (lutrate depot), 7.5 mgCarrier judgment—2
J9202Goserelin acetate implant, per 3.6 mgSpecial coverage instructions apply—2
J1950Injection, leuprolide acetate (for depot suspension), per 3.75 mgSpecial coverage instructions apply—2
J9219Leuprolide acetate implant, 65 mgSpecial coverage instructions apply—2
J9225Histrelin implant (vantas), 50 mgSpecial coverage instructions apply—2
J3316Injection, triptorelin, extended-release, 3.75 mgSpecial coverage instructions apply—1
J9218Leuprolide acetate, per 1 mgSpecial coverage instructions apply—1
Q5129Injection, bevacizumab-adcd (vegzelma), biosimilar, 10 mgCarrier judgment—1
Q5126Injection, bevacizumab-maly, biosimilar, (alymsys), 10 mgCarrier judgment—1
Q5118Injection, bevacizumab-bvzr, biosimilar, (zirabev), 10 mgCarrier judgment—1
Q5107Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mgSpecial coverage instructions apply—1
J9035Injection, bevacizumab, 10 mgCarrier judgment—1
J3590Unclassified biologicsCarrier judgment—1
C9257Injection, bevacizumab, 0.25 mgSpecial coverage instructions apply—1
Q5160Injection, bevacizumab-nwgd (jobevne), biosimilar, 10 mgCarrier judgment—1
J9267Injection, paclitaxel, 1 mgSpecial coverage instructions apply—1
J9264Injection, paclitaxel protein-bound particles, 1 mgCarrier judgment—1
J8999Prescription drug, oral, chemotherapeutic, nosSpecial coverage instructions apply—1
Q0512Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day periodSpecial coverage instructions apply—1
Q0511Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day periodSpecial coverage instructions apply—1
J8530Cyclophosphamide; oral, 25 mgSpecial coverage instructions apply—1
J8597Antiemetic drug, oral, not otherwise specifiedSpecial coverage instructions apply—1

19 more codes are listed. See every code with payment by region in Caduvo.

Medicare policy articles listing C56.9

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other C56 diagnoses (Malignant neoplasm of ovary)

Frequently asked questions

Does Medicare cover C56.9 (Malignant neoplasm of unspecified ovary)?

Medicare covers items and services, not diagnoses. 6 Medicare billing and coding articles list C56.9 as a covered diagnosis for 44 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 C56.9?

The Level II codes from the policies most specific to this diagnosis are J9217 (Leuprolide acetate (for depot suspension), 7.5 mg, 2 articles); J1952 (Leuprolide injectable, camcevi, 1 mg, 2 articles); J3315 (Injection, triptorelin pamoate, 3.75 mg, 2 articles); J1954 (Injection, leuprolide acetate for depot suspension…, 2 articles); J9202 (Goserelin acetate implant, per 3.6 mg, 2 articles). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list C56.9?

A59160 (Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs); A52453 (Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs); A52370 (Billing and Coding: Bevacizumab and biosimilars), and 3 more articles.

What is ICD-10-CM code C56.9?

C56.9 is the ICD-10-CM code for malignant neoplasm of unspecified ovary, in category C56 (Malignant neoplasm of ovary), chapter 2: Neoplasms.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 2: Neoplasms · All diagnoses · HCPCS lookup