O99.51 Diseases of the respiratory system complicating pregnancy

Non-billable header with 4 child codes.

Applies from O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Includes

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

Excludes2 (not included here)

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

Use additional code

• code to identify specific condition

Applies from O99.5 Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium

Applicable to

• Conditions in J00-J99

Codes under O99.51

• O99.511 Diseases of the respiratory system complicating pregnancy, first trimester
• O99.512 Diseases of the respiratory system complicating pregnancy, second trimester
• O99.513 Diseases of the respiratory system complicating pregnancy, third trimester
• O99.519 Diseases of the respiratory system complicating pregnancy, unspecified trimester

Diagnosis Index entries for O99.51

• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › pneumonia
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › respiratory condition (conditions in J00-J99)
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › upper respiratory infection

Nearby codes

• O99.413 Diseases of the circulatory system complicating pregnancy, third trimester
• O99.419 Diseases of the circulatory system complicating pregnancy, unspecified trimester
• O99.42 Diseases of the circulatory system complicating childbirth
• O99.43 Diseases of the circulatory system complicating the puerperium
• O99.5 Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium
• O99.51 Diseases of the respiratory system complicating pregnancy (this code)
• O99.511 Diseases of the respiratory system complicating pregnancy, first trimester
• O99.512 Diseases of the respiratory system complicating pregnancy, second trimester
• O99.513 Diseases of the respiratory system complicating pregnancy, third trimester
• O99.519 Diseases of the respiratory system complicating pregnancy, unspecified trimester
• O99.52 Diseases of the respiratory system complicating childbirth