O87.1 Deep phlebothrombosis in the puerperium

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

• Deep vein thrombosis, postpartum
• Pelvic thrombophlebitis, postpartum

Use additional code

• code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)
• code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

Applies from O87 Venous complications and hemorrhoids in the puerperium

Includes

• venous complications in labor, delivery and the puerperium

Excludes2 (not included here)

• obstetric embolism (O88.-)
• puerperal septic thrombophlebitis (O86.81)
• venous complications in pregnancy (O22.-)

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 671.42 Deep phlebothrombosis, postpartum, delivered, with mention of postpartum complication (approximate)
• 671.44 Deep phlebothrombosis, postpartum, postpartum condition or complication (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Code annotations containing back-references to O87.1

Back-references to O87

• Code First: I80 Phlebitis and thrombophlebitis ("phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)")
• Code First: I82 Other venous embolism and thrombosis ("pregnancy, childbirth and the puerperium (O22.-, O87.-)")
• Type 2 Excludes: O22 Venous complications and hemorrhoids in pregnancy ("venous complications and hemorrhoids of childbirth and the puerperium (O87.-)")
• Type 2 Excludes: O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("venous complications and cerebrovenous sinus thrombosis in labor, childbirth and the puerperium (O87.-)")

Diagnosis Index entries for O87.1

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

Nearby codes

• O87 Venous complications and hemorrhoids in the puerperium
• O87.0 Superficial thrombophlebitis in the puerperium
• O87.1 Deep phlebothrombosis in the puerperium (this code)
• O87.2 Hemorrhoids in the puerperium
• O87.3 Cerebral venous thrombosis in the puerperium
• O87.4 Varicose veins of lower extremity in the puerperium
• O87.8 Other venous complications in the puerperium
• O87.9 Venous complication in the puerperium, unspecified