G93.7 — Reye's syndrome

BillableMCC

Is G93.7 billable?

Yes — G93.7 is billable for FY2027. G93.7 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. G93.7 may be submitted for encounters from October 1, 2026 through September 30, 2027.

G93.7 at a glance

Code	G93.7
Description	Reye's syndrome
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does G93.7 group to?

G93.7 sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

091Other Disorders of Nervous System with MCCmedical
092Other Disorders of Nervous System with CCmedical
093Other Disorders of Nervous System without CC/MCCmedical

As a secondary diagnosis, G93.7 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.

How is G93.7 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to G93.7. They show the wording a clinician may have documented, which often differs from the Tabular description.

Reye's syndrome
Syndrome › Reye's

Code first

The underlying condition below must be sequenced before G93.7. G93.7 describes a manifestation and cannot be the principal or first-listed diagnosis.

poisoning due to salicylates, if applicable (T39.0-, with sixth character 1-4)

Use additional code

Report an additional code alongside G93.7 to fully describe the condition. G93.7 is sequenced first.

code for adverse effect due to salicylates, if applicable (T39.0-, with sixth character 5)

Excludes2 — not included here — inherited from Chapter 6

The conditions below are not part of G93.7, but a patient may have both at the same time. When documentation supports it, G93.7 and the excluded code may both be reported.

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)

How long has G93.7 existed?

G93.7 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

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

Which codes are confused with G93.7?

ICD-10-CM declares these codes mutually exclusive with G93.7 — exactly one of each pair can be correct for a given encounter.