G9542 HCPCS code: Documented re-assessment for the appropriateness of filter removal within 3 months of placement

G9542 is the HCPCS Level II code for documented re-assessment for the appropriateness of filter removal within 3 months of placement. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case.

Code details

What changed for G9542

• 2016-01-01: G9542 added to HCPCS Level II
• Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01

Frequently asked questions

What is HCPCS code G9542?

G9542 is the HCPCS Level II code for documented re-assessment for the appropriateness of filter removal within 3 months of placement. Short descriptor: "Doc reass appr remo filt 3ms".

Does Medicare cover G9542?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

Related G95 codes

• G9500 — Radiation exposure indices documented in final report for procedure using fluoroscopy
• G9501 — Radiation exposure indices not documented in final report for procedure using fluoroscopy, reason not given
• G9502 — Documentation of medical reason for not performing foot exam (i.e., patients who have had either a bilateral amputation above or below the knee, or both a left and right amputation above or below the knee before or during the measurement period)
• G9503 — Patient taking tamsulosin hydrochloride
• G9504 — Documented reason for not assessing hepatitis b virus (hbv) status (e.g., patient not initiating anti-tnf therapy, patient declined) prior to initiating anti-tnf therapy
• G9505 — Antibiotic regimen prescribed within 10 days after onset of symptoms for documented medical reason
• G9506 — Biologic immune response modifier prescribed
• G9507 — Documentation that the patient is on a statin medication or has documentation of a valid contraindication or exception to statin medications; contraindications/exceptions that can be defined by diagnosis codes include pregnancy during the measurement period, active liver disease, rhabdomyolysis, end stage renal disease on dialysis and heart failure; provider documented contraindications/exceptions include breastfeeding during the measurement period, woman of child-bearing age not actively taking birth control, allergy to statin, drug interaction (hiv protease inhibitors, nefazodone, cyclosporine, gemfibrozil, and danazol) and intolerance (with supporting documentation of trying a statin at least once within the last 5 years or diagnosis codes for myostitis or toxic myopathy related to drugs)
• G9508 — Documentation that the patient is not on a statin medication
• G9509 — Adult patients 18 years of age or older with major depression or dysthymia who reached remission at twelve months as demonstrated by a twelve month (+/-60 days) phq-9 or phq-9m score of less than 5
• G9510 — Adult patients 18 years of age or older with major depression or dysthymia who did not reach remission at twelve months as demonstrated by a twelve month (+/-60 days) phq-9 or phq-9m score of less than 5. either phq- 9 or phq-9m score was not assessed or is greater than or equal to 5
• G9511 — Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period

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Next steps

• Run a reimbursement report for a device billed under G9542
• Watch G9542 for fee, coverage and descriptor changes
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Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

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