Endocrinology Management and Referral Guidelines

Failure to Thrive Referral Guidelines

Referral Timeframe: Urgent

Call MD on-call to discuss and start treatment.
On-Call Phone #
Day: (512) 628-1830
After Hours: (512) 323-5465

Clinical Findings

Hypoglycemia and Failure to Thrive

Pre-Referral Workup

May need same lab tests as below, but please call to discuss

Referral Requirements

All clinical notes and laboratory results including growth chart

Referral Timeframe: Routine

Likely will be seen in next 1 to 3 months

Clinical Findings

Height less than 3rd percentile and weight less than 3rd percentile

Pre-Referral Workup

  • IGF-BP3 (Insulin like growth factor binding protein 3) CPL test code 4361, Esoterix code 500281
  • TSH, Free T4, CBC, CMP.
  • Celiac screening (Anti-Tissue Transglutaminase–IgA) IgA level; CPL test codes 4725 and 2751

Referral Requirements

  • Growth chart
  • Thyroid function tests
  • Laboratory results
  • Bone age results – Please have parent bring a copy of bone age x-ray (CD or film) to visit
  • Relevant clinical notes

Referral Timeframe: No Referral

May NOT need referral based on initial evaluation

Clinical Findings

Height 3rd percentile or greater, but weight less than 3rd percentile

Pre-Referral Workup

Consider evaluation by Gastroenterology (512) 628-1810

Referral Requirements

Please call MD on-call for any questions.