C33: Malignant neoplasm of trachea

C33, malignant neoplasm of trachea, is listed as a covered diagnosis in 17 Medicare billing and coding articles that apply to 111 HCPCS Level II codes, including J0881 (Injection, darbepoetin alfa, 1 microgram (non-esrd use)), J0885 (Injection, epoetin alfa, (for non-esrd use), 1000 units), Q5106 (Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for…). 4 of these codes have a 2026 DMEPOS fee schedule amount; E0783 pays $9,917.33 to $11,667.45 (NU) depending on the state. The articles come from 5 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 C33 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)Special coverage instructions apply—3
J0885Injection, epoetin alfa, (for non-esrd use), 1000 unitsSpecial coverage instructions apply—3
Q5106Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 unitsSpecial coverage instructions apply—3
J0882Injection, darbepoetin alfa, 1 microgram (for esrd on dialysis)Special coverage instructions apply—3
Q5105Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for esrd on dialysis), 100 unitsSpecial coverage instructions apply—3
J0890Injection, peginesatide, 0.1 mg (for esrd on dialysis)Carrier judgment—3
Q4081Injection, epoetin alfa, 100 units (for esrd on dialysis)Special coverage instructions apply—3
G0238Therapeutic procedures to improve respiratory function, other than described by g0237, one on one, face to face, per 15 minutes (includes monitoring)Carrier judgment—2
G0237Therapeutic procedures to increase strength or endurance of respiratory muscles, face to face, one on one, each 15 minutes (includes monitoring)Carrier judgment—2
G0239Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring)Carrier judgment—2
J0888Injection, epoetin beta, 1 microgram, (for non esrd use)Special coverage instructions apply—2
J0887Injection, epoetin beta, 1 microgram, (for esrd on dialysis)Special coverage instructions apply—2
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—2
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—2
J0897Injection, denosumab, 1 mgCarrier judgment—1
Q5136Injection, denosumab-bbdz (jubbonti/wyost), biosimilar, 1 mgCarrier judgment—1
Q5157Injection, denosumab-bmwo (stoboclo/osenvelt), biosimilar, 1 mgCarrier judgment—1
Q5158Injection, denosumab-bnht (bomyntra/conexxence), biosimilar, 1 mgCarrier judgment—1
Q5159Injection, denosumab-dssb (ospomyv/xbryk), biosimilar, 1 mgCarrier judgment—1
Q5162Injection, denosumab-nxxp (bildyos/bilprevda), biosimilar, 1 mgCarrier judgment—1
Q5165Injection, denosumab-mobz (oziltus), biosimilar, 1 mgCarrier judgment—1
Q5166Injection, denosumab-desu (osvyrti/jubereq), biosimilar, 1 mgCarrier judgment—1
Q5167Injection, denosumab-qbde (enoby/xtrenbo), biosimilar, 1 mgCarrier judgment—1
Q5171Injection, denosumab-mobz (boncresa), biosimilar, 1 mgCarrier judgment—1
Q5129Injection, bevacizumab-adcd (vegzelma), biosimilar, 10 mgCarrier judgment—1

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

Medicare policy articles listing C33

2 more articles list C33.

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.

Frequently asked questions

Does Medicare cover C33 (Malignant neoplasm of trachea)?

Medicare covers items and services, not diagnoses. 17 Medicare billing and coding articles list C33 as a covered diagnosis for 111 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 C33?

The Level II codes from the policies most specific to this diagnosis are J0881 (Injection, darbepoetin alfa, 1 microgram (non-esrd use), 3 articles); J0885 (Injection, epoetin alfa, (for non-esrd use), 1000 units, 3 articles); Q5106 (Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for…, 3 articles); J0882 (Injection, darbepoetin alfa, 1 microgram (for esrd on…, 3 articles); Q5105 (Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for…, 3 articles). Code choice depends on the item supplied; check each code's descriptor.

What does Medicare pay for equipment billed with C33?

Under the 2026 DMEPOS fee schedule (non-rural state fees): E0783 $9,917.33 to $11,667.45 (NU); E0786 $10,969.75 to $11,380.88 (NU); E0782 $5,200.92 to $6,118.73 (NU); E0785 $572.38 to $673.39 (KF). Medicare pays 80% of the allowed amount after the Part B deductible.

Which Medicare policy articles list C33?

A52399 (Billing and Coding: Denosumab (Prolia®, Xgeva®, Jubbonti®) and biosimilars); A52370 (Billing and Coding: Bevacizumab and biosimilars); A56389 (Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization), and 14 more articles.

What is ICD-10-CM code C33?

C33 is the ICD-10-CM code for malignant neoplasm of trachea, in category C33 (Malignant neoplasm of trachea), 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