J2810 – Injection, theophylline, per 40 mg · NDC Crosswalk & Billing Units
📋 J2810 summary
J2810 is a HCPCS Level II J-code used to bill theophylline, per 40 mg. The number of billing units to report depends on the dose administered and the NDC/package billed — use the calculator below.
⚠ An NDC↔HCPCS crosswalk and a published payment limit do not guarantee payer coverage or payment. Always verify the current payer policy and claim format before billing.
🗂️ Key billing facts
💊 About Theophylline DRUG GUIDE
Theophylline — available as extended-release capsules (Theo-24), extended-release tablets, and oral solution (Elixophyllin) — is used to treat symptoms and reversible airflow obstruction caused by chronic asthma, emphysema, and chronic bronchitis.All supported formulations share these indications.
Theophylline is intended for patients with ongoing or recurring symptoms, not for sudden (acute) breathing attacks, which need faster-acting treatments.
🧾 Billing & reimbursement HCPCS · CMS
Full HCPCS code details (official CMS record)
🧮 Dosing & billing-units calculator HCPCS UNITS
🔁 NDCs that bill under J2810 CROSSWALKED NDCs
| NDC (11-digit) | Drug | Labeler | Package | Strength | Bill units | NADAC / unit | Status | Source |
|---|---|---|---|---|---|---|---|---|
| 38779-1816-05 | Theophylline 1 g/g POWDER | MEDISCA | 100 g in 1 JAR (38779-1816-5) | 1 g/g | 25 | — | ● Active | PDAC |
| 38779-1816-08 | Theophylline 1 g/g POWDER | MEDISCA | 500 g in 1 JAR (38779-1816-8) | 1 g/g | 25 | — | ● Active | PDAC |
| 51927-1510-00 | THEOPHYLLINE (USP, ANHYDROUS) | Unknown | — | — | 25 | — | — | PDAC |
| 51552-0487-05 | THEOPHYLLINE ANHYDROUS (U.S.P.) | Unknown | — | — | 25 | — | — | PDAC |
| 00264-9554-10 | DEXTROSE/THEOPHYLLINE (EXCEL) 5%-80 MG/100 ML | Unknown | — | — | 0.02 | — | — | PDAC |
🗺️ Where J2810 is utilized
📊 What bills under J2810
J-codes are billing codes often used for drugs billed under the medical benefit. This connects the billing code to the NDC package records it covers, by ingredient and labeler.
🗃️ Data sources & freshness
⚠️ Practical billing caveats
- A crosswalk is not coverage. An NDC mapping or a published payment limit does not guarantee a payer will cover or pay this code. Check the specific plan's policy.
- Units ≠ milligrams. Bill the number of HCPCS units (dose ÷ the code's unit size), not the milligram dose. Use the calculator above.
- Discarded drug. For single-dose vials, drug discarded after administration may be separately billable with modifier JW (and JZ when nothing is discarded) where the payer allows.
- Rounding & partial units. Many payers require whole units; round per the payer's policy, not automatically up.
- The code can cover more than this drug. Some HCPCS codes span multiple products or strengths — confirm the exact code for the product administered.
- Figures lag. ASP limits change quarterly and utilization data are released with a delay. Verify against the current CMS files before billing.