How to Order
Prior Authorization Information
Here is some helpful information for submitting the prior authorization form correctly.
1
Enter Patient Diagnosis Code (ICD-10)
Here is a list of possible ICD-10 codes that may apply to a CSID patient (may not be an all-inclusive list):
Sucrase-isomaltase deficiency | E74.31 |
---|---|
Other disorders of intestinal carbohydrate absorption | E74.39 |
Malabsorption due to intolerance, not elsewhere classified | K90.49 |
Diarrhea, unspecified | R19.7 |
Flatulence | R14.3 |
Abdominal distension (gaseous) | R14.0 |
Nausea | R11.0 |
2
Identify Patient Symptoms
Experiencing symptoms of Congenital Sucrase-Isomaltase Deficiency (CSID), including diarrhea, gas, bloating, abdominal cramping, nausea, or other.
3
Detail Patient History
- Prior treatment
- Medical history
- Dietary counseling
- Other
4
Indicate Patient Tests and Results
Evidence of deficient sucrase activity through one of the following recommended diagnoses:
- 13C-sucrose breath test
- Sucrose hydrogen-methane breath test
- EGD biopsy and disaccharidase assay
- 2 extra distal duodenal biopsy samples
- Sent to specialty disaccharidase testing lab; results evaluated
Disaccharidase | Normal Range |
---|---|
Lactase | 5 - 55 U/g protein |
Sucrase | 26 - 110 U/g protein |
Maltase | 105 - 380 U/g protein |
Palatinase | 9 - 32 U/g protein |
Hackenmueller SA, Grenache DG. Reference intervals for intestinal disaccharidase activities determined from a non-referenced population. J Appl Lab Med. 2016;1(2):172-80.
5
Download Authorization Form
Search your patient’s healthcare provider below to access the corresponding form.