2019 ICD-10-CM Diagnosis Code O10.21

Pre-existing hypertensive chronic kidney disease complicating pregnancy

    2016 2017 2018 2019 Non-Billable/Non-Specific Code
  • O10.21 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Pre-existing hyp chronic kidney disease comp pregnancy
  • The 2019 edition of ICD-10-CM O10.21 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of O10.21 - other international versions of ICD-10 O10.21 may differ.
The following code(s) above O10.21 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 O10.21:
  • O00-O9A
    2019 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
  • O10
    ICD-10-CM Diagnosis Code O10

    Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Includes
    • pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
    Type 2 Excludes
    • pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
    Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
  • O10.2
    ICD-10-CM Diagnosis Code O10.2

    Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Any condition in I12 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
    Use Additional
    • code from I12 to identify the type of hypertensive chronic kidney disease
    Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to O10.21:
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
    ICD-10-CM Diagnosis Code I10

    Essential (primary) hypertension

      2016 2017 2018 2019 Billable/Specific Code Questionable As Admission Dx
    Includes
    • high blood pressure
    • hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
    Type 1 Excludes
    • hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
    Type 2 Excludes
    • essential (primary) hypertension involving vessels of brain (I60-I69)
    • essential (primary) hypertension involving vessels of eye (H35.0-)

ICD-10-CM Codes Adjacent To O10.21
O10.03 Pre-existing essential hypertension complicating the puerperium
O10.1 Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
O10.11 Pre-existing hypertensive heart disease complicating pregnancy
O10.111 …… first trimester
O10.112 …… second trimester
O10.113 …… third trimester
O10.119 …… unspecified trimester
O10.12 Pre-existing hypertensive heart disease complicating childbirth
O10.13 Pre-existing hypertensive heart disease complicating the puerperium
O10.2 Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.21 Pre-existing hypertensive chronic kidney disease complicating pregnancy
O10.211 …… first trimester
O10.212 …… second trimester
O10.213 …… third trimester
O10.219 …… unspecified trimester
O10.22 Pre-existing hypertensive chronic kidney disease complicating childbirth
O10.23 Pre-existing hypertensive chronic kidney disease complicating the puerperium
O10.3 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.31 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy
O10.311 …… first trimester
O10.312 …… second trimester

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