B44.81: Allergic bronchopulmonary aspergillosis

B44.81, allergic bronchopulmonary aspergillosis, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 9 HCPCS Level II codes, including G0238 (Therapeutic procedures to improve respiratory function…), G0237 (Therapeutic procedures to increase strength or endurance…), G0239 (Therapeutic procedures to improve respiratory function or…). The articles come from 2 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 B44.81 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
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
J0461Injection, atropine sulfate, 0.01 mgSpecial coverage instructions apply—1
J0153Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds)Special coverage instructions apply—1
J1250Injection, dobutamine hydrochloride, per 250 mgSpecial coverage instructions apply—1
J0280Injection, aminophyllin, up to 250 mgSpecial coverage instructions apply—1
J1245Injection, dipyridamole, per 10 mgSpecial coverage instructions apply—1
A9700Supply of injectable contrast material for use in echocardiography, per studySpecial coverage instructions apply—1

Medicare policy articles listing B44.81

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 B44 diagnoses (Aspergillosis)

Frequently asked questions

Does Medicare cover B44.81 (Allergic bronchopulmonary aspergillosis)?

Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list B44.81 as a covered diagnosis for 9 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 B44.81?

The Level II codes from the policies most specific to this diagnosis are G0238 (Therapeutic procedures to improve respiratory function…, 2 articles); G0237 (Therapeutic procedures to increase strength or endurance…, 2 articles); G0239 (Therapeutic procedures to improve respiratory function or…, 2 articles); J0461 (Injection, atropine sulfate, 0.01 mg, 1 article); J0153 (Injection, adenosine, 1 mg (not to be used to report any…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list B44.81?

A56717 (Billing and Coding: Respiratory Therapy (Respiratory Care)); A57224 (Billing and Coding: Respiratory Care); A56625 (Billing and Coding: Echocardiography).

What is ICD-10-CM code B44.81?

B44.81 is the ICD-10-CM code for allergic bronchopulmonary aspergillosis, in category B44 (Aspergillosis), chapter 1: Certain infectious and parasitic diseases.

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 1: Certain infectious and parasitic diseases · All diagnoses · HCPCS lookup