CPT code 59070: Amnioinfusion, transabdominal approach2026 Medicare rate & RVUs in Guam
Reports ultrasound-guided fluid instillation into the amniotic cavity through the maternal abdomen for selected fetal conditions involving low amniotic fluid.
Medicare pays $405.00 for 59070 in the office in Guam (Hawaii, Guam, HI). Which amount applies depends on the service address.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
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On this page 9 sections
What 59070 covers
A maternal-fetal medicine physician typically performs this procedure by guiding a needle through the maternal abdominal wall and uterus into the amniotic cavity, then instilling fluid. It may be used in selected fetal conditions involving inadequate amniotic fluid or as part of a planned fetal intervention. Ultrasound guidance is included in the service. The procedure is generally performed in a hospital or other setting equipped for maternal and fetal assessment.
Report the code for the transabdominal infusion, not for fluid removal or diagnostic sampling. Documentation should identify the clinical indication, transabdominal approach, ultrasound-guided access, and infusion performed. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. When multiple procedures occur in the same session, the highest-valued procedure is paid in full and the others at 50%. Modifier 50 is inappropriate. Assistant-at-surgery payment may be available; co-surgeon and team-surgery billing are not permitted.
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
59070 in Hawaii, Guam, HI
| Payment locality | Office | Facility |
|---|---|---|
| Hawaii, Guam, HI | $405.00 | $259.55 |
How the 59070 rate is calculated
Each of 59070’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · 59070
RVUs × geographic indexes × conversion factor
Work5.11
5.11 RVUs× 1.000 GPCI
Practice expense5.34
5.34 RVUs× 1.000 GPCI
Malpractice1.63
1.63 RVUs× 1.000 GPCI
Adjusted RVUs
12.0800
Conversion factor
$33.4009
Medicare rate
$403.48
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 59070
The CMS indicators that decide how 59070 is paid alongside other services.
CMS payment indicators · 59070
Amnioinfusion, transabdominal approach
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 000 | Same-day global: pre- and post-op care on the day of the procedure is included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 2 | Paid. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 0 | Physician service: no professional/technical split. |
What modifiers do to the payment
Modifier 51 · payment effect
With and without the modifier
59070 without 51 · national office
$403.48
Amnioinfusion, transabdominal approach
59070-51 · Second procedure: 50%
$201.74
When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).
59070 compared with similar codes
Compare codes · National
4 codes, side by side
How to choose
- 59001AmniocentesisTherapeutic fluid reduction
- Choose 59070 for transabdominal fluid instillation into the amniotic cavity. Choose 59001 when the therapeutic procedure removes amniotic fluid.
- 59074Fetal fluid drainageWith ultrasound guidance
- 59074 covers ultrasound-guided drainage of fetal fluid, not infusion into the amniotic cavity.
- 59076Fetal shuntUltrasound-guided placement
- 59076 reports fetal shunt placement with ultrasound guidance. It is not the code for direct transabdominal amniotic fluid infusion.
59070 billing questions
How does this differ from therapeutic amniocentesis?
This code covers adding fluid to the amniotic cavity through a transabdominal approach. Therapeutic amniocentesis, 59001, covers removing fluid.
Can ultrasound guidance be billed separately?
Ultrasound guidance is included in this code. Do not separately report the guidance for the same infusion.
Should modifier 50 be appended?
No. CMS identifies bilateral adjustment as inappropriate for this service.
What documentation supports reporting the code?
Document the indication, transabdominal access, ultrasound guidance, and fluid instillation. The record should distinguish the infusion from fluid drainage or diagnostic sampling.
How is this handled when another procedure is performed in the same session?
CMS applies the standard multiple-procedure reduction: the highest-valued procedure is paid in full, and other procedures are paid at 50%. The 0-day global period includes same-day preoperative and postoperative care.
May an assistant or co-surgeon be reported?
Assistant-at-surgery payment may be available. Co-surgeons and team surgery are not permitted under the CMS rules for this code.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
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