E74.810 — Glucose transporter protein type 1 deficiency
Is E74.810 billable?
Yes — E74.810 is billable for FY2027. E74.810 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. E74.810 may be submitted for encounters from October 1, 2026 through September 30, 2027.
E74.810 at a glance
| Code | E74.810 |
|---|---|
| Description | Glucose transporter protein type 1 deficiency |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does E74.810 group to?
E74.810 sits in MDC 10 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.
- 642Inborn and Other Disorders of Metabolismmedical
As a secondary diagnosis, E74.810 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is E74.810 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to E74.810. They show the wording a clinician may have documented, which often differs from the Tabular description.
- GLUT1 deficiency syndrome 1, infantile onset
- GLUT1 deficiency syndrome 2, childhood onset
- Defect, defective › glucose transport, blood-brain barrier
- Deficiency, deficient › glucose transporter protein type 1
- Deficiency, deficient › Glut1
- Syndrome › de Vivo syndrome
Inclusion terms
Alternative wording in documentation that is classified to E74.810.
- De Vivo syndrome
- Glucose transport defect, blood-brain barrier
- Glut1 deficiency
- GLUT1 deficiency syndrome 1, infantile onset
- GLUT1 deficiency syndrome 2, childhood onset
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E74.810 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Excludes1 — never code together — inherited from E70-E88
The conditions below can never be reported together with E74.810 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from E74
The conditions below can never be reported together with E74.810 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from E70-E88
The conditions below are not part of E74.810, but a patient may have both at the same time. When documentation supports it, E74.810 and the excluded code may both be reported.
- Ehlers-Danlos syndromes (Q79.6-)
How long has E74.810 existed?
E74.810 first appears in FY2021 (FY2020 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.