O66.2
Billable codeObstructed labor due to unusually large fetus
The ICD-10 code for obstructed labor due to unusually large fetus is O66.2.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- O66.0Obstructed labor due to shoulder dystocia
- O66.1Obstructed labor due to locked twins
- O66.3Obstructed labor due to other abnormalities of fetus
- O66.4Failed trial of labornon-billable header
- O66.5Attempted application of vacuum extractor and forceps
- O66.6Obstructed labor due to other multiple fetuses
- O66.8Other specified obstructed labor
- O66.9Obstructed labor, unspecified
- O66.2Obstructed labor due to unusually large fetus
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 65351Approximate match
- 66081Approximate match
Associated MS-DRGs
O66.2 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 760Menstrual and Other Female Reproductive System Disorders with CC/MCC
- DRG 761Menstrual and Other Female Reproductive System Disorders without CC/MCC
- DRG 817Other Antepartum Diagnoses with O.R. Procedures with MCC
- DRG 818Other Antepartum Diagnoses with O.R. Procedures with CC
- DRG 819Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
- DRG 831Other Antepartum Diagnoses without O.R. Procedures with MCC
- DRG 832Other Antepartum Diagnoses without O.R. Procedures with CC
- DRG 833Other Antepartum Diagnoses without O.R. Procedures without CC/MCC