O09.821

Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimester

Billable / specificPOA exempt

O09.821 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from O09)

  • Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Note: 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)
  • Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • Note: 1st trimester- less than 14 weeks 0 days
  • Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • Note: 3rd trimester- 28 weeks 0 days until delivery

Excludes1

Not coded here — never report together with this code.

  • supervision of normal pregnancy (Z34.-) (from O09)

Excludes2

Not included here — may be reported together when both conditions exist.

  • mental and behavioral disorders associated with the puerperium (F53.-) (from O09)
  • obstetrical tetanus (A34) (from O09)
  • postpartum necrosis of pituitary gland (E23.0) (from O09)
  • puerperal osteomalacia (M83.0) (from O09)

Use additional code

Add a code to identify the following, if applicable.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known. (from O09)

Parent code

  • O09.82Supervision of pregnancy with history of in utero procedure during previous pregnancyHeader

Related codes

  • O09.822Supervision of pregnancy with history of in utero procedure during previous pregnancy, second trimesterBillable
  • O09.823Supervision of pregnancy with history of in utero procedure during previous pregnancy, third trimesterBillable
  • O09.829Supervision of pregnancy with history of in utero procedure during previous pregnancy, unspecified trimesterBillable

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