ICDcodes.org
FY2027

D59.32Hereditary hemolytic-uremic syndrome

BillableMCC

Is D59.32 billable?

Yes — D59.32 is billable for FY2027. D59.32 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D59.32 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D59.32 at a glance

CodeD59.32
DescriptionHereditary hemolytic-uremic syndrome
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does D59.32 group to?

D59.32 sits in MDC 15 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 791Prematurity with Major Problemsmedical

As a secondary diagnosis, D59.32 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.

How is D59.32 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D59.32. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Syndromehemolytic-uremicdue to genetic disorder
  • Syndromehemolytic-uremicfamilial
  • Syndromehemolytic-uremichereditary
  • Syndromehemolytic-uremicatypicalgenetic
  • Syndromehemolytic-uremicatypicalhereditary

Code also

Two codes may be needed to describe the condition fully. Whether D59.32 is sequenced first depends on the reason for the encounter.

  • , if applicable:
  • defects in the complement system (D84.1)
  • methylmalonic acidemia (E71.120)

Inclusion terms

Alternative wording in documentation that is classified to D59.32.

  • Atypical hemolytic uremic syndrome with an identified genetic cause

Excludes2 — not included here — inherited from Chapter 3

The conditions below are not part of D59.32, but a patient may have both at the same time. When documentation supports it, D59.32 and the excluded code may both be reported.

  • autoimmune disease (systemic) NOS (M35.9)
  • certain conditions originating in the perinatal period (P00-P96)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • human immunodeficiency virus [HIV] disease (B20)
  • 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)

Code also — inherited from D59.3

Two codes may be needed to describe the condition fully. Whether D59.32 is sequenced first depends on the reason for the encounter.

  • , if applicable, any associated:
  • acute kidney failure (N17.-)
  • chronic kidney disease (N18.-)

How long has D59.32 existed?

D59.32 first appears in FY2023.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the D59.3 family? (3)