CPT 58558
Hysteroscopy with endometrial biopsy and/or polyp removal
Last reviewed August 2026 · DataLily AI data team
What does CPT 58558 mean?
CPT 58558 reports a surgical hysteroscopy with sampling (biopsy) of the endometrium and/or polypectomy, with or without dilation and curettage. A diagnostic hysteroscopy without these interventions is 58555.
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CPT 58558 at a glance
- Code
- 58558
- Code type
- CPT/HCPCS
- Short descriptor
- Hysteroscopy biopsy
- Category
- ASC Surgical
- ASC eligibility
- ASC-eligible (surgical)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
- Medicare ASC rate
- $1,738.07 national · 2026Q2
What is CPT code 58558?
CPT 58558 reports a surgical hysteroscopy with sampling (biopsy) of the endometrium and/or polypectomy, with or without dilation and curettage. A diagnostic hysteroscopy without these interventions is 58555. Its official short descriptor is "Hysteroscopy biopsy", and in the ASC context it is grouped under ASC Surgical.
Is CPT 58558 eligible in an ambulatory surgery center (ASC)?
CPT 58558 can be performed in a certified ambulatory surgery center.
Where is CPT 58558 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is the Medicare ASC payment rate for CPT 58558?
The national Medicare ASC payment rate for CPT 58558 is $1,738.07 (Medicare ASC Payment System, 2026Q2). This is the national, unadjusted Medicare amount; the amount an individual ambulatory surgery center is paid is adjusted for local wage index and may differ. It reflects Medicare's facility payment only and does not include the surgeon's professional fee.
Which specialties use CPT 58558?
CPT 58558 is most associated with Obstetrics & Gynecology.
Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association. Read the DataLily AI data methodology.