2020 ICD-10-CM Diagnosis Code I12.9

Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    2016 2017 2018 2019 2020 Billable/Specific Code
  • I12.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Hypertensive chronic kidney disease w stg 1-4/unsp chr kdny
  • The 2020 edition of ICD-10-CM I12.9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of I12.9 - other international versions of ICD-10 I12.9 may differ.
Applicable To
  • Hypertensive chronic kidney disease NOS
  • Hypertensive renal disease NOS
Use Additional
Use Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • code to identify the stage of chronic kidney disease (
    ICD-10-CM Diagnosis Code N18.1

    Chronic kidney disease, stage 1

      2016 2017 2018 2019 2020 Billable/Specific Code
    N18.1-
    ICD-10-CM Diagnosis Code N18.4

    Chronic kidney disease, stage 4 (severe)

      2016 2017 2018 2019 2020 Billable/Specific Code
    N18.4
    ,
    ICD-10-CM Diagnosis Code N18.9

    Chronic kidney disease, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Chronic renal disease
    • Chronic renal failure NOS
    • Chronic renal insufficiency
    • Chronic uremia NOS
    • Diffuse sclerosing glomerulonephritis NOS
    N18.9
    )
The following code(s) above I12.9 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 I12.9:
  • I00-I99
    2020 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • transient cerebral ischemic attacks and related syndromes (G45.-)
    Diseases of the circulatory system
  • I10-I16
    2020 ICD-10-CM Range I10-I16

    Hypertensive diseases

    Type 1 Excludes
    • neonatal hypertension (P29.2)
    • primary pulmonary hypertension (I27.0)
    Type 2 Excludes
    • hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
    Use Additional
    • code to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Hypertensive diseases
  • I12
    ICD-10-CM Diagnosis Code I12

    Hypertensive chronic kidney disease

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • any condition in N18 and N26 - due to hypertension
    • arteriosclerosis of kidney
    • arteriosclerotic nephritis (chronic) (interstitial)
    • hypertensive nephropathy
    • nephrosclerosis
    Type 1 Excludes
    • hypertension due to kidney disease (I15.0, I15.1)
    • renovascular hypertension (I15.0)
    • secondary hypertension (I15.-)
    Type 2 Excludes
    • acute kidney failure (N17.-)
    Hypertensive chronic kidney disease
Approximate Synonyms
  • Arteriolar nephrosclerosis (kidney disease)
  • Benign arteriolar nephrosclerosis
  • Chronic kidney disease due to benign hypertension
  • Chronic kidney disease due to hypertension
  • Chronic kidney disease stage 1 due to benign hypertension
  • Chronic kidney disease stage 1 due to hypertension
  • Chronic kidney disease stage 2 due to benign hypertension
  • Chronic kidney disease stage 2 due to hypertension
  • Chronic kidney disease stage 3 due to benign hypertension
  • Chronic kidney disease stage 3 due to hypertension
  • Chronic kidney disease stage 4 due to benign hypertension
  • Chronic kidney disease stage 4 due to hypertension
  • Chronic kidney disease stage 5 due to hypertension
  • Diabetes type 1 with chronic kidney disease
  • Diabetes type 2 with chronic kidney disease
  • Diabetes type 2 with mild chronic kidney disease
  • Diabetes type 2, mild chronic kidney disease
  • Diabetes type 2, moderate chronic kidney disease
  • Diabetes type 2, severe chronic kidney disease
  • Hypertension due to kidney disease in pregnancy
  • Hypertension due to to kidney disease in pregnancy
  • Hypertension in chronic kidney disease due to type 1 diabetes mellitus
  • Hypertension in chronic kidney disease due to type 2 diabetes mellitus
  • Hypertension in chronic kidney disease stage 1 due to type 2 diabetes mellitus
  • Hypertension in chronic kidney disease stage 2 due to type 2 diabetes mellitus
  • Hypertension in chronic kidney disease stage 3 due to type 2 diabetes mellitus
  • Hypertension in chronic kidney disease stage 4 due to type 2 diabetes mellitus
  • Hypertensive chronic kidney disease
  • Hypertensive chronic kidney disease, mild
  • Hypertensive chronic kidney disease, mod
  • Hypertensive chronic kidney disease, severe
  • Hypertensive kidney and mild chronic kidney disease
  • Hypertensive kidney disease, chronic
  • Hypertensive renal disease complicating and/or reason for care during puerperium
  • Hypertensive, mild chronic kidney disease
  • Hypertensive, moderate chronic kidney disease
  • Hypertensive, severe chronic kidney disease
  • Malignant arteriolar nephrosclerosis
  • Malignant htn ckd, stage 1 (gfr>= 90)
  • Malignant htn ckd, stage 2 (gfr60-89)
  • Malignant htn ckd, stage 3 (gfr30-59)
  • Malignant htn ckd, stage 4 (gfr15-29)
  • Malignant hypertensive chronic kidney disease
  • Malignant hypertensive chronic kidney disease stage 1
  • Malignant hypertensive chronic kidney disease stage 2
  • Malignant hypertensive chronic kidney disease stage 3
  • Malignant hypertensive chronic kidney disease stage 4
  • Malignant hypertensive ckd (kidney disease)
  • Nephrosclerosis
  • Nephrosclerosis (hardening of small arteries kidneys)
  • Preexisting hypertension from chronic kidney disease, after childbirth
  • Preexisting hypertensive chronic kidney disease in childbirth
  • Preexisting hypertensive chronic kidney disease in pregnancy
  • Renal sclerosis with hypertension
  • Severe chronic kidney failure with hypertension
ICD-10-CM I12.9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 673 Other kidney and urinary tract procedures with mcc
  • 674 Other kidney and urinary tract procedures with cc
  • 675 Other kidney and urinary tract procedures without cc/mcc
  • 682 Renal failure with mcc
  • 683 Renal failure with cc
  • 684 Renal failure without cc/mcc

Convert I12.9 to ICD-9-CM

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
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to I12.9:
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
    ICD-10-CM Diagnosis Code I10

    Essential (primary) hypertension

      2016 2017 2018 2019 2020 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-)
    • kidney I12.9
      • with
        • stage 1 through stage 4 chronic kidney disease I12.9

ICD-10-CM Codes Adjacent To I12.9
I09.8 Other specified rheumatic heart diseases
I09.81 Rheumatic heart failure
I09.89 Other specified rheumatic heart diseases
I09.9 Rheumatic heart disease, unspecified
I10 Essential (primary) hypertension
I11 Hypertensive heart disease
I11.0 Hypertensive heart disease with heart failure
I11.9 Hypertensive heart disease without heart failure
I12 Hypertensive chronic kidney disease
I12.0 Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
I12.9 Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13 Hypertensive heart and chronic kidney disease
I13.0 Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13.1 Hypertensive heart and chronic kidney disease without heart failure
I13.10 …… with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13.11 …… with stage 5 chronic kidney disease, or end stage renal disease
I13.2 Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
I15 Secondary hypertension
I15.0 Renovascular hypertension
I15.1 Hypertension secondary to other renal disorders
I15.2 Hypertension secondary to endocrine disorders

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