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Official Description

Extended culture of oocyte(s)/embryo(s), 4-7 days

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 89272 refers to the extended culture of oocyte(s) or embryo(s) for a duration of four to seven days. This procedure is typically performed after an initial culture period that is separately reportable for the first three days. During the extended culture phase, the oocytes or embryos are maintained in a specialized culture medium, which is essential for their continued development. The goal of this extended culture is to allow the embryos to progress to the blastocyst stage, which is characterized by the embryo reaching approximately eight cells. This stage is crucial for successful implantation and further development, making the extended culture an important step in assisted reproductive technology (ART) protocols.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 89272 is indicated for the following:

  • Assisted Reproductive Technology (ART) This procedure is performed as part of ART protocols to enhance the chances of successful fertilization and implantation.
  • Embryo Development Monitoring It is indicated for monitoring the development of embryos beyond the initial culture period, allowing for assessment of their growth and viability.
  • Blastocyst Stage Achievement The procedure is specifically indicated for cases where the goal is to achieve the blastocyst stage of embryo development, which is critical for successful implantation.

2. Procedure

The procedure for CPT® Code 89272 involves several key steps that ensure the proper culture of oocytes or embryos over an extended period.

  • Step 1: Initial Culture Initially, the oocytes or embryos are cultured for the first three days in a controlled environment. This phase is crucial for the early stages of development, where the embryos begin to divide and grow.
  • Step 2: Transition to Extended Culture After the initial three-day culture, the viable oocytes or embryos are then transferred to a specialized culture medium designed for extended culture. This medium provides the necessary nutrients and conditions to support further development.
  • Step 3: Monitoring Development During the extended culture period of four to seven days, the embryos are closely monitored for their growth and development. This monitoring is essential to ensure that the embryos are progressing appropriately towards the blastocyst stage.
  • Step 4: Assessment of Blastocyst Formation At the end of the extended culture period, the embryos are assessed for their development into the blastocyst stage. This assessment is critical for determining the viability of the embryos for potential implantation.

3. Post-Procedure

Post-procedure care following the extended culture of oocyte(s) or embryo(s) involves careful evaluation of the embryos that have reached the blastocyst stage. The embryologist will assess the quality and viability of the embryos before making decisions regarding transfer or cryopreservation. Additionally, patients may be advised on the next steps in their ART protocol, which could include embryo transfer or further monitoring. It is important to provide emotional support and counseling to patients during this time, as the outcomes can significantly impact their reproductive journey.

Short Descr EXTENDED CULTURE OF OOCYTES
Medium Descr EXTND CUL OOCYTE/EMBRYO 4-7 DAYS
Long Descr Extended culture of oocyte(s)/embryo(s), 4-7 days
Status Code Statutory Exclusion (from MPFS, may be paid under other methodologies)
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 9 - Not Applicable
Multiple Procedures (51) 9 - Concept does not apply.
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator T-Packaged Codes
Type of Service (TOS) 5 - Diagnostic Laboratory
Berenson-Eggers TOS (BETOS) T1H - Lab tests - other (non-Medicare fee schedule)
MUE 1
CCS Clinical Classification 206 - Microscopic examination (bacterial smear, culture, toxicology)
Date
Action
Notes
2004-01-01 Added First appearance in code book in 2004.
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