2017/18 ICD-10-CM Diagnosis Code O99.4

Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

Applicable To
  • Conditions in I00-I99
    ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    • I00-I02 Acute rheumatic fever
    • I05-I09 Chronic rheumatic heart diseases
    • I10-I16 Hypertensive diseases
    • I20-I25 Ischemic heart diseases
    • I26-I28 Pulmonary heart disease and diseases of ...
    • I30-I52 Other forms of heart disease
    • I60-I69 Cerebrovascular diseases
    • I70-I79 Diseases of arteries, arterioles and cap...
    • I80-I89 Diseases of veins, lymphatic vessels and...
    • I95-I99 Other and unspecified disorders of the c...
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as O99.4. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • peripartum cardiomyopathy (
    ICD-10-CM Diagnosis Code O90.3

    Peripartum cardiomyopathy

      2016 2017 2018 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
    Applicable To
    • Conditions in I42.- arising during pregnancy and the puerperium
    Type 1 Excludes
    • pre-existing heart disease complicating pregnancy and the puerperium (O99.4-)
    O90.3
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (O99.4) and the excluded code together.
  • hypertensive disorders (O10-O16
    ICD-10-CM Range O10-O16

    Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium

    • O10 Pre-existing hypertension complicating p...
    • O11 Pre-existing hypertension with pre-eclam...
    • O12 Gestational [pregnancy-induced] edema an...
    • O13 Gestational [pregnancy-induced] hyperten...
    • O14 Pre-eclampsia
    • O15 Eclampsia
    • O16 Unspecified maternal hypertension
    )
  • obstetric embolism (
    ICD-10-CM Diagnosis Code O88
    • O88 Obstetric embolism
      • O88.0 Obstetric air embolism
        • O88.01 Obstetric air embolism in pregnancy
          • O88.011 Air embolism in pregnancy, first trimester
          • O88.012 Air embolism in pregnancy, second trimester
          • O88.013 Air embolism in pregnancy, third trimester
          • O88.019 Air embolism in pregnancy, unspecified trimes...
        • O88.02 Air embolism in childbirth
        • O88.03 Air embolism in the puerperium
      • O88.1 Amniotic fluid embolism
        • O88.11 Amniotic fluid embolism in pregnancy
          • O88.111 Amniotic fluid embolism in pregnancy, first t...
          • O88.112 Amniotic fluid embolism in pregnancy, second ...
          • O88.113 Amniotic fluid embolism in pregnancy, third t...
          • O88.119 Amniotic fluid embolism in pregnancy, unspeci...
        • O88.12 …… in childbirth
        • O88.13 …… in the puerperium
      • O88.2 Obstetric thromboembolism
        • O88.21 Thromboembolism in pregnancy
          • O88.211 Thromboembolism in pregnancy, first trimester...
          • O88.212 Thromboembolism in pregnancy, second trimeste...
          • O88.213 Thromboembolism in pregnancy, third trimester...
          • O88.219 Thromboembolism in pregnancy, unspecified tri...
        • O88.22 Thromboembolism in childbirth
        • O88.23 Thromboembolism in the puerperium
      • O88.3 Obstetric pyemic and septic embolism
        • O88.31 Pyemic and septic embolism in pregnancy
          • O88.311 Pyemic and septic embolism in pregnancy, firs...
          • O88.312 Pyemic and septic embolism in pregnancy, seco...
          • O88.313 Pyemic and septic embolism in pregnancy, thir...
          • O88.319 Pyemic and septic embolism in pregnancy, unsp...
        • O88.32 Pyemic and septic embolism in childbirth
        • O88.33 Pyemic and septic embolism in the puerperium
      • O88.8 Other obstetric embolism
        • O88.81 Other embolism in pregnancy
          • O88.811 …… first trimester
          • O88.812 Other embolism in pregnancy, second trimester...
          • O88.813 …… third trimester
          • O88.819 Other embolism in pregnancy, unspecified trim...
        • O88.82 Other embolism in childbirth
        • O88.83 Other embolism in the puerperium
    O88.-
    )
  • venous complications and cerebrovenous sinus thrombosis in labor, childbirth and the puerperium (
    ICD-10-CM Diagnosis Code O87
    • O87 Venous complications and hemorrhoids in the p...
      • O87.0 Superficial thrombophlebitis in the puerperiu...
      • O87.1 Deep phlebothrombosis in the puerperium
      • O87.2 Hemorrhoids in the puerperium
      • O87.3 Cerebral venous thrombosis in the puerperium
      • O87.4 Varicose veins of lower extremity in the puer...
      • O87.8 Other venous complications in the puerperium
      • O87.9 Venous complication in the puerperium, unspec...
    O87.-
    )
  • venous complications and cerebrovenous sinus thrombosis in pregnancy (
    ICD-10-CM Diagnosis Code O22
    • O22 Venous complications and hemorrhoids in pregn...
      • O22.0 Varicose veins of lower extremity in pregnanc...
        • O22.00 Varicose veins of lower extremity in pregnanc...
        • O22.01 Varicose veins of lower extremity in pregnanc...
        • O22.02 Varicose veins of lower extremity in pregnanc...
        • O22.03 Varicose veins of lower extremity in pregnanc...
      • O22.1 Genital varices in pregnancy
        • O22.10 Genital varices in pregnancy, unspecified tri...
        • O22.11 Genital varices in pregnancy, first trimester...
        • O22.12 Genital varices in pregnancy, second trimeste...
        • O22.13 Genital varices in pregnancy, third trimester...
      • O22.2 Superficial thrombophlebitis in pregnancy
        • O22.20 Superficial thrombophlebitis in pregnancy, un...
        • O22.21 Superficial thrombophlebitis in pregnancy, fi...
        • O22.22 Superficial thrombophlebitis in pregnancy, se...
        • O22.23 Superficial thrombophlebitis in pregnancy, th...
      • O22.3 Deep phlebothrombosis in pregnancy
        • O22.30 Deep phlebothrombosis in pregnancy, unspecifi...
        • O22.31 Deep phlebothrombosis in pregnancy, first tri...
        • O22.32 Deep phlebothrombosis in pregnancy, second tr...
        • O22.33 Deep phlebothrombosis in pregnancy, third tri...
      • O22.4 Hemorrhoids in pregnancy
        • O22.40 Hemorrhoids in pregnancy, unspecified trimest...
        • O22.41 …… first trimester
        • O22.42 …… second trimester
        • O22.43 …… third trimester
      • O22.5 Cerebral venous thrombosis in pregnancy
        • O22.50 Cerebral venous thrombosis in pregnancy, unsp...
        • O22.51 Cerebral venous thrombosis in pregnancy, firs...
        • O22.52 Cerebral venous thrombosis in pregnancy, seco...
        • O22.53 Cerebral venous thrombosis in pregnancy, thir...
      • O22.8 Other venous complications in pregnancy
        • O22.8X Other venous complications in pregnancy
          • O22.8X1 Other venous complications in pregnancy, firs...
          • O22.8X2 Other venous complications in pregnancy, seco...
          • O22.8X3 Other venous complications in pregnancy, thir...
          • O22.8X9 Other venous complications in pregnancy, unsp...
      • O22.9 Venous complication in pregnancy, unspecified...
        • O22.90 Venous complication in pregnancy, unspecified...
        • O22.91 Venous complication in pregnancy, unspecified...
        • O22.92 Venous complication in pregnancy, unspecified...
        • O22.93 Venous complication in pregnancy, unspecified...
    O22.-
    )
The following code(s) above O99.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to O99.4:
  • O00-O9A
    2018 ICD-10-CM Range O00-O9A

    Pregnancy, childbirth and the puerperium

    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
    Type 1 Excludes
    • supervision of normal pregnancy (Z34.-)
    Type 2 Excludes
    • 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 from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
    Pregnancy, childbirth and the puerperium
  • O99
    ICD-10-CM Diagnosis Code O99

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

      2016 2017 2018 Non-Billable/Non-Specific Code
    Includes
    • conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
    Type 2 Excludes
    • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)
    Use Additional
    • code to identify specific condition
    Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Code History
Code annotations containing back-references to O99.4:
ICD-10-CM Codes Adjacent To O99.4
O99.343 Other mental disorders complicating pregnancy, third trimester
O99.344 Other mental disorders complicating childbirth
O99.345 Other mental disorders complicating the puerperium
O99.35 Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium
O99.350 Diseases of the nervous system complicating pregnancy, unspecified trimester
O99.351 Diseases of the nervous system complicating pregnancy, first trimester
O99.352 Diseases of the nervous system complicating pregnancy, second trimester
O99.353 Diseases of the nervous system complicating pregnancy, third trimester
O99.354 Diseases of the nervous system complicating childbirth
O99.355 Diseases of the nervous system complicating the puerperium
O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium
O99.41 Diseases of the circulatory system complicating pregnancy
O99.411 …… first trimester
O99.412 …… second trimester
O99.413 …… third trimester
O99.419 …… 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
O99.511 …… first trimester

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.