NDC codes

FDA NDC Directory
Product NDC (as listed)61594-046Labeler and product segments. Claims need a package NDC.
Product NDC at billing width61594-0046Add the package segment from the table below.
Package NDCs as listed with the FDA, and the 11-digit 5-4-2 form used on claims. The highlighted digit is the added leading zero.
Package NDC11-digit (billing)PackageCopy
61594-046-00615940046001 BOTTLE in 1 CARTON (61594-046-00) / 89 mL in 1 BOTTLEMarketed from Jan 1, 2025

How the 11-digit form is made: The product segment has 3 digits, so one leading zero is added to it (5-3-2 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules

Product information

Brand name (proprietary)
Theraworx Relief for Muscle Cramps Roll-On
Generic name (nonproprietary)
magnesium sulfate, unspecified form
Active ingredients
Magnesium sulfate, Unspecified form — 6 [hp_X]/mL
Dosage form
Aerosol
Route
Topical
Product type
Over-the-counter drug
Marketing category
Unapproved homeopathic
Marketing start
Listing expires
Other FDA classes
Increased Large Intestinal Motility (Physiologic effect)Inhibition Large Intestine Fluid/Electrolyte Absorption (Physiologic effect)Inhibition Small Intestine Fluid/Electrolyte Absorption (Physiologic effect)Magnesium Ion Exchange Activity (Mechanism)Osmotic Activity (Mechanism)Stimulation Large Intestine Fluid/Electrolyte Secretion (Physiologic effect)
Identifiers
Product ID 61594-046_2308de12-a4fa-d1f3-e063-6394a90a3ca1SPL ID 2308de12-a4fa-d1f3-e063-6394a90a3ca1SPL set ID 09bd49cd-ace8-49ac-9b83-2926c0436b56UNII DE08037SABUPC 0850060284236
Pharmacologic class
Calculi Dissolution Agent; Osmotic Laxative

Billing references

What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.

HCPCS codeNo match

No HCPCS code in Med-Code's directory. Topical products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N461594004600 followed by a unit qualifier and the quantity

Package 61594-0046-00. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier

Product label

Current FDA label (SPL), effective .

Indications (excerpt from the label)

Uses prevents cramps and spasms releases muscle tightness relieves muscle soreness

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

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