Cervical Orthosis: FDA Class, Product Codes and Medicare L-Codes

General product and regulatory information only, not medical advice. Whether a person needs a neck orthosis, which one, and how long to wear it is decided by their treating clinician.

Short answer

A cervical orthosis is the regulatory and Medicare name for a neck support device, the family most people call a cervical collar or neck brace. In the United States the FDA lists “cervical” as an example of a truncal orthosis under 21 CFR 890.3490, a Class I device exempt from premarket notification. Medicare tracks cervical orthoses by HCPCS L-codes, so the identifiers on a record matter as much as the product name.

Definition and scope

The FDA regulation 21 CFR 890.3490 (truncal orthosis) defines the device as one “intended for medical purposes to support or to immobilize fractures, strains, or sprains of the neck or trunk of the body.” Its listed examples are “Abdominal, cervical, cervical-thoracic, lumbar, lumbo-sacral, rib fracture, sacroiliac, and thoracic orthoses and clavicle splints.” A cervical orthosis is therefore one named member of a larger orthosis group, not a separate legal category.

The same regulation classifies these devices as Class I (general controls). They are exempt from the premarket notification procedures in 21 CFR part 807 subpart E, subject to the limitations in 21 CFR 890.9, and exempt from the quality management system requirements of part 820 except for records and complaint files (820.35).

How the terms orthosis, collar and brace are used

This is an editorial reading of the sources listed at the end of this page, not a regulatory definition. “Orthosis” is the term used in the FDA regulation, the FDA product classification database and the Medicare compliance material cited here. “Collar” and “brace” are the common names used in product listings, clinics and search queries. A search for “neck brace” and a regulatory record for “Orthosis, Cervical” can describe the same family of device.

For what individual designs look like, CASRAI has separate guides: what a cervical collar is, cervical collar types and sizing, the soft cervical collar, the Philadelphia collar and the halo vest. This page deals with the identifiers that sit behind those product names.

Identifier map: FDA and Medicare

Identifier	What the source states	Source
Regulation number 890.3490	Truncal orthosis; cervical named as an example; Class I; 510(k) exempt	21 CFR 890.3490
FDA product code IQK	“Orthosis, Cervical”; Class 1; regulation 890.3490; Physical Medicine panel; GMP exempt flag Y	openFDA classification API
FDA product code IQF	“Orthosis, Cervical-Thoracic, Rigid”; Class 1; regulation 890.3490; GMP exempt flag Y	openFDA classification API
HCPCS L-codes (L0112 to L0200 and others)	Included in a CMS Recovery Audit review issue on cervical orthoses; the listed codes are L0112, L0113, L0120, L0130, L0140, L0150, L0160, L0170, L0172, L0174, L0180, L0190, L0200, L0220, L0700, L0710, L0810, L0820, L0830, L1000, L1001, L1005, L1200, L1300, L1310 and L1499	CMS Recovery Audit issue 0174

For a wider look at how orthotic L-codes are organised, see orthotic L-codes.

Where it matters for clinics and supply records

The CMS Recovery Audit issue “Cervical Orthoses within the Reasonable Useful Lifetime: Excessive Units” (automated review, DME MAC jurisdiction, approved 2019-12-03) states that claims with dates of service within the reasonable useful lifetime of a previously paid identical cervical orthosis, meaning the same HCPCS code for the same beneficiary and the same anatomical site, “will be denied as the reasonable useful lifetime requirement has not been met.”

The practical reading, which is editorial interpretation: the review compares codes, patient and site, so a product listing or purchase record that carries only a marketing name such as “neck brace” cannot be matched to either a regulatory record or a claim. A clinic or supply team can check that each cervical device record shows:

• the manufacturer’s exact product name and model, so the instructions for use can be found;
• the FDA regulation number (890.3490) and product code (for example IQK or IQF), where the manufacturer states them;
• the HCPCS L-code that applies to the item as supplied, taken from the payer’s coding material rather than from a product title;
• the manufacturer’s instructions for use, which govern fitting, wear and cleaning for that product.

Common misunderstandings

“Cervical orthosis” is not a different device from a cervical collar

Under the FDA wording the cervical collar family sits inside the cervical orthosis product codes. The difference is vocabulary, not a separate regulatory class.

Class I does not mean “no oversight”

Class I devices are subject to general controls. The exemption in the regulation covers premarket notification and most quality-system requirements; it does not remove the records and complaint-file requirements of 820.35.

A product code is not an L-code

FDA product codes such as IQK classify the device for regulatory purposes. HCPCS L-codes are a separate system used for Medicare coding. One does not convert into the other by rule.

FAQ

Can you sleep with a neck brace on?

Whether and when a neck orthosis is worn during sleep is a clinical instruction, set by the treating clinician and the manufacturer’s instructions for use for that specific product. The FDA regulation and the CMS material cited on this page do not set a general rule. See the soft cervical collar guide and tips for wearing a cervical collar, and, for possible problems, cervical collar side effects.

Is there a neck brace made for sleeping?

The FDA regulation and the CMS material cited on this page describe device categories and coding. They do not designate or compare products for sleep, so this page names none. Product-specific questions belong with the treating clinician and the manufacturer’s instructions for use.

Is a cervical orthosis a medical device?

Yes. 21 CFR 890.3490 describes it as a device intended for medical purposes to support or immobilize fractures, strains or sprains of the neck or trunk.

Sources

• 21 CFR 890.3490, Truncal orthosis, checked 2026-11-01: https://www.law.cornell.edu/cfr/text/21/890.3490
• openFDA device classification API, product codes IQK and IQF (data last updated 2026-10-19), checked 2026-11-01: https://api.fda.gov/device/classification.json?search=product_code:IQK and https://api.fda.gov/device/classification.json?search=product_code:IQF
• CMS Recovery Audit Program, issue 0174 Cervical Orthoses within the Reasonable Useful Lifetime: Excessive Units, checked 2026-11-01: https://www.cms.gov/research-statistics-data-and-systems/monitoring-programs/medicare-ffs-compliance-programs/recovery/1940999997/0174-cervical-orthoses-within-reasonable-useful-lifetime-excessive-units