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2 Minute MedicineICD-10 Lookup

ICD-10-CM code · FY2027

O13 Gestational [pregnancy-induced] hypertension without significant proteinuria

Header codeNot billable: use one of the 6 billable codes below

About O13

Code
O13
Billable
No, header
Short description
Gestational hypertension without significant proteinuria
Block
O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
Chapter
15 Pregnancy, childbirth and the puerperium
Code set
FY2027, October 1, 2026 to September 30, 2027

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Coding notes for O13

Includes Conditions this code covers.

  • gestational hypertension NOS
  • transient hypertension of pregnancy
Chapter 15 notes (apply to every code in it)

Note

  • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • 1st trimester- less than 14 weeks 0 days
  • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • 3rd trimester- 28 weeks 0 days until delivery

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • supervision of normal pregnancy (Z34.-)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)

Use additional code Add a second code for the detail named here.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Codes under O13 6

Other categories in O10-O16

Latest research on gestational [pregnancy-induced] hypertension without significant proteinuria

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