R57.1 Hypovolemic shock

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from R57 Shock, not elsewhere classified

Excludes1 (never code together)

• anaphylactic shock NOS (T78.2)
• anaphylactic reaction or shock due to adverse food reaction (T78.0-)
• anaphylactic shock due to adverse effect of correct drug or medicament properly administered (T88.6)
• anaphylactic shock due to serum (T80.5-)
• electric shock (T75.4)
• obstetric shock (O75.1)
• postprocedural shock (T81.1-)
• psychic shock (F43.0)
• shock complicating or following ectopic or molar pregnancy (O00-O07, O08.3)
• shock due to anesthesia (T88.2)
• shock due to lightning (T75.01)
• traumatic shock (T79.4)
• toxic shock syndrome (A48.3)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 2 — Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock
• CMS-HCC V22: HCC 2 — Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock
• ESRD V24: HCC 2

MS-DRG index

Defines the logic of DRG(s) 870-872 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 785.59 Other shock without mention of trauma (approximate)

Code annotations containing back-references to R57.1

Back-references to R57.1

• Type 2 Excludes: E86 Volume depletion ("hypovolemic shock NOS (R57.1)")
• Code First: I21.A1 Myocardial infarction type 2 ("shock (R57.0-R57.9)")
• Use Additional: K52.21 Food protein-induced enterocolitis syndrome ("code for hypovolemic shock, if present (R57.1)")

Back-references to R57

• Use Additional: G90.81 Serotonin syndrome ("shock, not elsewhere classified (R57.-)")
• Type 1 Excludes: T79.4 Traumatic shock ("nontraumatic shock NEC (R57.-)")

Diagnosis Index entries for R57.1

• Shock › hypovolemic

Nearby codes

• R57 Shock, not elsewhere classified
• R57.0 Cardiogenic shock
• R57.1 Hypovolemic shock (this code)
• R57.8 Other shock
• R57.9 Shock, unspecified