O87.1 Deep phlebothrombosis in the puerperium

The ICD-10-CM code for Deep phlebothrombosis in the puerperium is O87.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O85-O92: Complications predominantly related to the puerperium (O85-O92)

Category O87

8 codes (7 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O87.1:

• Puerperal, puerperium (complicated by, complications) › phlebothrombosis, deep
• Phlegmasia › alba dolens
• White › leg, puerperal, postpartum, childbirth
• Puerperal, puerperium (complicated by, complications) › phlegmasia alba dolens
• Puerperal, puerperium (complicated by, complications) › white leg
• Puerperal, puerperium (complicated by, complications) › milk leg
• Milk-leg (deep vessels) (nonpuerperal) › puerperal, postpartum, childbirth
• Phlebitis (infective) (pyemic) (septic) (suppurative) › pelvic › puerperal, postpartum

Inclusion Terms

• Deep vein thrombosis, postpartum
• Pelvic thrombophlebitis, postpartum

U.S. Hospital Utilization

• An estimated 1,835 U.S. inpatient stays in 2023 included O87.1 among the documented diagnoses.
• 535 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)