DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I13 Hypertensive heart and chronic kidney disease

  • Header · not billable

I13 is not billable. The category heads 4 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Insufficiency, insufficientcardiorenal, hypertensive → I13.2
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease) → I13.10
  • Failure, failedcardiorenal (chronic)hypertensive → I13.2

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I10-I1A Hypertensive diseases (I10-I1A)
  3. I13 Hypertensive heart and chronic kidney disease
Billable codes
4
Subdivisions
3
CC / MCC codes
3 / 0
HCC V28 codes
3
New FY2027
0
Index entries
9

Codes in I13

  1. 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
    BillableCC226
    Use additional code 2

    Use additional code

    • code to identify type of heart failure (I50.-) I50
    • code to identify stage of chronic kidney disease (N18.1-N18.4, N18.9) N18.1 N18.4 N18.9
  2. I13.1
    Hypertensive heart and chronic kidney disease without heart failure
    Header
  3. I13.10
    Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
    Billable
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Hypertensive heart disease and hypertensive chronic kidney disease NOS

    Use additional code

    • code to identify the stage of chronic kidney disease (N18.1-N18.4, N18.9) N18.1 N18.4 N18.9
  4. I13.11
    Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
    BillableCC326
    Use additional code 1

    Use additional code

    • code to identify the stage of chronic kidney disease (N18.5, N18.6) N18.5 N18.6
  5. I13.2
    Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
    BillableCC226 326
    Use additional code 2

    Use additional code

    • code to identify type of heart failure (I50.-) I50
    • code to identify the stage of chronic kidney disease (N18.5, N18.6) N18.5 N18.6

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At I13

Includes

  • any condition in I11.- with any condition in I12.- I11 I12
  • cardiorenal disease
  • cardiovascular renal disease

Notes that also apply

Block I10-I1A instructions (Excludes1 2, Excludes2 1, Use additional code 6): printed on the block page.

Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.

Index entries

  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease) → I13.10
  • Insufficiency, insufficientcardiorenal, hypertensive → I13.2
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease)with heart failure → I13.0
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease)without heart failure → I13.10
  • Failure, failedcardiorenal (chronic)hypertensive → I13.2
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease)with heart failurewith stage 1 through stage 4 chronic kidney disease → I13.0
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease)without heart failurewith stage 1 through stage 4 chronic kidney disease → I13.10
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease)without heart failurewith stage 5 or end stage renal disease → I13.11
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)cardiorenal (disease)with heart failurewith stage 5 or end stage renal disease → I13.2

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy