Laboratory — Embryology
89250
IVF Culture — Day 1–2 (Cleavage Stage)
Culture of oocyte(s)/embryo(s), less than 4 days with oocyte identification from follicle aspiration. This code covers conventional fertilization and early embryo culture through Day 2 (cleavage stage).
Billing Notes
For extended culture to blastocyst (Day 5–6), use 89251 instead of 89250. Only one culture code is billed per cycle — not both. 89251 is the appropriate code when blastocyst-stage culture is performed.
Diagnosis Codes
N97.0–N97.9 (infertility), Z31.61 (ART encounter)
Common Denial Reasons
- Both 89250 and 89251 billed in the same cycle
- ICSI code (89280/89281) billed alongside 89268 — insemination and ICSI are mutually exclusive
- Missing documentation of fertilization report
Payer Notes
Coverage for embryology lab codes varies by payer. Some mandate payers cover ICSI and extended culture; others do not. Verify each code with the specific payer's fertility benefit policy.
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