M86.452: Chronic osteomyelitis with draining sinus, left femur

M86.452, chronic osteomyelitis with draining sinus, left femur, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 10 HCPCS Level II codes, including A9552 (Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose…), A9598 (Positron emission tomography radiopharmaceutical…), A9601 (Flortaucipir f 18 injection, diagnostic, 1 millicurie). 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 M86.452 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuriesCarrier judgment—1
A9598Positron emission tomography radiopharmaceutical, diagnostic, for non-tumor identification, not otherwise classifiedCarrier judgment—1
A9601Flortaucipir f 18 injection, diagnostic, 1 millicurieCarrier judgment—1
G0281Electrical stimulation, (unattended), to one or more areas, for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of careCarrier judgment—1
G0329Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of careCarrier judgment—1
A9585Injection, gadobutrol, 0.1 mlCarrier judgment—1
Q9953Injection, iron-based magnetic resonance contrast agent, per mlSpecial coverage instructions apply—1
G0219Pet imaging whole body; melanoma for non-covered indicationsNon-covered by MedicareNot covered1
G0235Pet imaging, any site, not otherwise specifiedNon-covered by MedicareNot covered1
G0252Pet imaging, full and partial-ring pet scanners only, for initial diagnosis of breast cancer and/or surgical planning for breast cancer (e.g., initial staging of axillary lymph nodes)Non-covered by MedicareNot covered1

Medicare policy articles listing M86.452

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 M86 diagnoses (Osteomyelitis)

Frequently asked questions

Does Medicare cover M86.452 (Chronic osteomyelitis with draining sinus, left femur)?

Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list M86.452 as a covered diagnosis for 10 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 M86.452?

The Level II codes from the policies most specific to this diagnosis are A9552 (Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose…, 1 article); A9598 (Positron emission tomography radiopharmaceutical…, 1 article); A9601 (Flortaucipir f 18 injection, diagnostic, 1 millicurie, 1 article); G0281 (Electrical stimulation, (unattended), to one or more…, 1 article); G0329 (Electromagnetic therapy, to one or more areas for chronic…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list M86.452?

A59318 (Billing and Coding: Positron Emission Tomography (PET) Scan for Inflammation and Infection); A55909 (Billing and Coding: Wound Care); A57206 (Billing and Coding: Lumbar MRI).

What is ICD-10-CM code M86.452?

M86.452 is the ICD-10-CM code for chronic osteomyelitis with draining sinus, left femur, in category M86 (Osteomyelitis), chapter 13: Diseases of the musculoskeletal system and connective tissue.

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 13: Diseases of the musculoskeletal system and connective tissue · All diagnoses · HCPCS lookup