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ICD-10 O99.34 - Other mental disorders complicating pregnancy, childbirth, and the puerperium
Chapter 15 Section O94-O9A

O99.34

ICD-10 Not billable

Other mental disorders complicating pregnancy, childbirth, and the puerperium

Inclusion term: Conditions in F01-F09 and F20-F99
Use additional code: code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known. (per Chapter 15)
Specifically for this code:
  • postpartum mood disturbance (O90.6)
  • postnatal psychosis (F53)
  • puerperal psychosis (F53)
From Chapter 15:
  • mental and behavioral disorders associated with the puerperium (F53)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
From Chapter 15:
  • supervision of normal pregnancy (Z34.-)
From Chapter 15:
  • 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
O99.34 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
O99.340
Other mental disorders complicating pregnancy, unspecified trimester
Billable
10
O99.341
Other mental disorders complicating pregnancy, first trimester
Billable
10
O99.342
Other mental disorders complicating pregnancy, second trimester
Billable
10
O99.343
Other mental disorders complicating pregnancy, third trimester
Billable
10
O99.344
Other mental disorders complicating childbirth
Billable
10
O99.345
Other mental disorders complicating the puerperium
Billable
      
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