Compare available tests

Neurotransmitter & Creatine Deficiency Disorders

SLC6A8/TH/DCDC2 Gene Panels

Catalog role labels reflect current assignments. Test choice, timing and prices require clinician or laboratory confirmation.

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Nationwide & Home Sample Collection

Test comparison

7 tests

All diagnostic topics

Available tests, sample type, turnaround time, price and booking options
Test name	Test role	Sample type	Turnaround	Price
Amino Acid Nonketotic Hyperglycinemia Panel Quantitative CSF Plasma Test	First-line screen	1 mL (0.5 mL minimum) CSF in a sterile screw-capped vial and 2 mL (1 mL minimum) plasma from 1 Green Top (Sodium Heparin) tube. Plasma should be transferred into a sterile screw-capped vial.	3 Days Report available in 3 days, provided the sample is submitted by Monday or Wednesday by 5 PM.	KSh 18,000
Comt Genotyping Test	First-line screen	4 mL (2 mL minimum) of whole blood collected in a lavender top (EDTA) tube.	Timing on request	KSh 84,240
SLC6A8 Gene Creatine Deficiency Syndrome X-Linked Genetic Test	First-line screen	Blood sample (EDTA tube) or Saliva sample. Confirm specific requirements with the laboratory before booking.	Timing on request	KSh 40,000
AMT Gene Glycine Encephalopathy Genetic Test	First-line screen	Blood sample (EDTA tube) or Saliva sample. Confirm specific requirements with the laboratory before booking.	Timing on request	KSh 40,000
GCSH Gene Glycine Encephalopathy Genetic Test	First-line screen	Blood sample (usually collected in an EDTA tube). Confirm specific requirements with the laboratory before booking.	Timing on request	KSh 40,000
SLC6A9 Gene Glycine Encephalopathy with Normal Serum Glycine Genetic Test	First-line screen	Blood sample (usually collected in an EDTA tube). Confirm with the laboratory before booking.	Timing on request	KSh 40,000
GLDC Gene Glycine Encephalopathy Genetic Test	First-line screen	Blood sample (EDTA tube) or extracted DNA. Confirm specific requirements with the laboratory before booking.	Timing on request	KSh 40,000

First-line screen

Amino Acid Nonketotic Hyperglycinemia Panel Quantitative CSF Plasma Test

Sample type: 1 mL (0.5 mL minimum) CSF in a sterile screw-capped vial and 2 mL (1 mL minimum) plasma from 1 Green Top (Sodium Heparin) tube. Plasma should be transferred into a sterile screw-capped vial.
Turnaround: 3 Days Report available in 3 days, provided the sample is submitted by Monday or Wednesday by 5 PM.
Price: KSh 18,000

First-line screen

Comt Genotyping Test

Sample type: 4 mL (2 mL minimum) of whole blood collected in a lavender top (EDTA) tube.
Turnaround: Timing on request
Price: KSh 84,240

First-line screen

SLC6A8 Gene Creatine Deficiency Syndrome X-Linked Genetic Test

Sample type: Blood sample (EDTA tube) or Saliva sample. Confirm specific requirements with the laboratory before booking.
Turnaround: Timing on request
Price: KSh 40,000

First-line screen

AMT Gene Glycine Encephalopathy Genetic Test

Sample type: Blood sample (EDTA tube) or Saliva sample. Confirm specific requirements with the laboratory before booking.
Turnaround: Timing on request
Price: KSh 40,000

First-line screen

GCSH Gene Glycine Encephalopathy Genetic Test

Sample type: Blood sample (usually collected in an EDTA tube). Confirm specific requirements with the laboratory before booking.
Turnaround: Timing on request
Price: KSh 40,000

First-line screen

SLC6A9 Gene Glycine Encephalopathy with Normal Serum Glycine Genetic Test

Sample type: Blood sample (usually collected in an EDTA tube). Confirm with the laboratory before booking.
Turnaround: Timing on request
Price: KSh 40,000

First-line screen

GLDC Gene Glycine Encephalopathy Genetic Test

Sample type: Blood sample (EDTA tube) or extracted DNA. Confirm specific requirements with the laboratory before booking.
Turnaround: Timing on request
Price: KSh 40,000

Clinical context

Clinical testing guide & how to choose

Tests in Neurotransmitter & Creatine Deficiency Disorders answer different clinical questions. This catalogue supports a conversation with your clinician or counselor; it does not establish a diagnosis or replace an individual assessment.

Choosing a test

A comprehensive panel measures several related markers, while a single-marker test addresses a more focused question. A larger panel is not automatically the right choice. Discuss your symptoms, previous results and referral with a qualified clinician before selecting tests. Results should not be interpreted in isolation.

Before sample collection

Confirm the required tube, sample volume, any fasting instructions and the collection deadline for your chosen test. Tell the collection team about medication and recent treatment. Do not stop prescribed medication unless your clinician advises it. Home collection depends on the sample’s handling and transport requirements.

Common questions

Questions before booking

Should I choose a panel or a single-marker test for Neurotransmitter & Creatine Deficiency Disorders?

Can I use SHIF/SHA or private insurance for these tests?

Coverage depends on your scheme, the specific test, referral and authorization requirements, and the provider arrangement. Before booking, ask the laboratory and your insurer to verify eligibility, any co-payment, and whether direct billing or reimbursement applies. Listing a test here does not guarantee insurance coverage.

When should I arrange sample collection?

Check the sample and preparation notes for the specific test, then confirm the collection time and reporting deadline with the laboratory. Same-day reporting, where listed, may depend on a collection cutoff and working days. Nationwide and home sample collection are available subject to location, sample suitability and transport arrangements.

Neurotransmitter & Creatine Deficiency Disorders

7 tests

Amino Acid Nonketotic Hyperglycinemia Panel Quantitative CSF Plasma Test

Comt Genotyping Test

SLC6A8 Gene Creatine Deficiency Syndrome X-Linked Genetic Test

AMT Gene Glycine Encephalopathy Genetic Test

GCSH Gene Glycine Encephalopathy Genetic Test

SLC6A9 Gene Glycine Encephalopathy with Normal Serum Glycine Genetic Test

GLDC Gene Glycine Encephalopathy Genetic Test

Clinical testing guide & how to choose

Choosing a test

Before sample collection

Questions before booking

May be considered for

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