S3870 – Comparative genomic hybridization (cgh) microarray testing for developmental delay, autism spectrum disorder and/or intellectual disability

HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)

Active code Not payable by Medicare

HCPCS codeS3870
Long description
Comparative genomic hybridization (cgh) microarray testing for developmental delay, autism spectrum disorder and/or intellectual disability
Short description
Cgh test developmental delay
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
I Not payable by Medicare
BETOS category
Z2 Undefined codes
Added
April 1, 2009
Last change
January 1, 2014 – No change

Frequently asked questions

What is HCPCS code S3870?

S3870 is a HCPCS Level II code for comparative genomic hybridization (cgh) microarray testing for developmental delay, autism spectrum disorder and/or intellectual disability.

Does Medicare cover S3870?

The HCPCS file lists coverage code I: Not payable by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby S codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.