kodex

Kodex

ICD-10-CM
Code

O99.321

Drug use complicating pregnancy, first trimester

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Hierarchy

  • O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
    • O94-O9A Other obstetric conditions, not elsewhere classified (O94-O9A)
      • O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
        • O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium
          • O99.32 Drug use complicating pregnancy, childbirth, and the puerperium
            • O99.320 Drug use complicating pregnancy, unspecified trimester
            • O99.321 Drug use complicating pregnancy, first trimester
            • O99.322 Drug use complicating pregnancy, second trimester
            • O99.323 Drug use complicating pregnancy, third trimester
            • O99.324 Drug use complicating childbirth
            • O99.325 Drug use complicating the puerperium

Notes

O00-O9A

  • 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

Use Additional

O99.32

  • code(s) from F11-F16 and F18-F19 to identify manifestations of the drug use

O99

  • code to identify specific condition

O00-O9A

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

Includes

O99

  • conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

Excludes 1

O00-O9A

  • supervision of normal pregnancy (Z34.-)
    • Z34 Encounter for supervision of normal pregnancy

Excludes 2

O99

  • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

O00-O9A

  • mental and behavioral disorders associated with the puerperium (F53.-)
    • F53 Mental and behavioral disorders associated with the puerperium, not elsewhere classified
  • A34 Obstetrical tetanus
  • postpartum necrosis of pituitary gland (E23.0)
  • M83.0 Puerperal osteomalacia