CCSD code AA609 – Peripheral bone density measurement by a physician

Key takeaways

CCSD code AA609 covers peripheral bone density measurement performed by a physician, and the consultant who takes the reading bills it.

The AA prefix doesn’t mean anesthesia. AA codes were created by the CCSD Group and appear across unrelated specialties.

No anesthetist bills for AA609. Neither the H3 nor the Bupa schedule lists an anesthetic fee or category for it.

H3 Insurance pays a maximum of £84 for AA609, and Bupa’s schedule grades it Minor for both the surgeon and the hospital.

Bupa’s online code search and Freedom’s May 2026 schedule don’t list AA609, so confirm the code with the insurer first.

Pabau, the practice management platform we build, pre-fills the claim from the patient record and holds it back until required fields are complete.

CCSD code AA609: Definition and clinical scope

CCSD code AA609 is the Clinical Coding and Schedule Development (CCSD) procedure code for a physician-performed peripheral bone density measurement. The descriptor reads “Peripheral bone density measurement performed by physician.” UK private medical insurers use it for a reading taken at a limb site, such as the heel or wrist. A central DXA scan of the hip and spine is a different service.

Both the H3 Insurance and Bupa schedules place it in the chapter for bones, joints and connective tissue/tendon muscle. They differ on the section beneath it. H3 lists it under Connective Tissue / Tendon Muscle, while Bupa lists it under Bone (Non-Specific).

The code describes a measurement a consultant takes personally during an outpatient appointment. The words “performed by physician” matter, because the consultant billing AA609 must be the one who performed it.

Why AA609 starts with AA

The AA prefix marks a code the CCSD Group created for its own schedule. It doesn’t mark an anesthesia code, and the schedule has no AA series of anesthetic services.

Most CCSD procedure codes follow a pattern. The CCSD Technical Guide explains that each code has five characters, usually a letter followed by four numbers. The letter tells you which chapter the code sits in.

Chapter 16, for bones, joints and connective tissue, uses codes that start with T or W for its procedures, such as W8782. AA609 sits in that chapter anyway, so its prefix tells you nothing about where it belongs. Other AA codes show how wide the spread is:

• AA378: Pharyngolaryngectomy
• AA460: Destruction of branch of trigeminal nerve
• AA489: Transtympanic chemical labyrinthectomy
• AA663: Injection of viscosupplementation into joint
• AA957 to AA964: Coronary angioplasty and angiography by the radial route

Anesthetists don’t bill an AA code of their own. When a procedure needs an anesthetic, they bill against the surgeon’s procedure code, and the insurer pays a separate anesthetist fee. AA609 needs no anesthetic, so neither schedule sets an anesthetist fee for it.

What a peripheral bone density measurement involves

A peripheral measurement assesses bone at a limb site, such as the heel, wrist or finger. Common methods are peripheral DXA and quantitative ultrasound, usually on a small device used in the consulting room.

Central DXA of the hip and spine remains the diagnostic standard. The 2024 UK clinical guideline from the National Osteoporosis Guideline Group (NOGG) bases diagnosis on central DXA, with the femoral neck as the reference site. It doesn’t recommend quantitative ultrasound for diagnosing osteoporosis.

A peripheral reading therefore rarely settles the diagnosis alone. It helps the consultant decide who needs a central scan, and that shapes how the claim is billed:

• A central DXA scan isn’t AA609: The descriptor says peripheral. A hip and spine scan is a different service, and CCSD keeps a separate Diagnostic Test Schedule for tests like it.
• The physician must take the reading: If a nurse or radiographer performs the measurement, the descriptor’s condition isn’t met. Ask the insurer how it wants that test billed.
• The consultation is a separate line: H3 lists consultation fees apart from procedure codes, with a £150 maximum for a new medical consultation. Confirm whether the insurer pays both for one visit.

How UK insurers list and pay AA609

Insurer schedules disagree on AA609, and some leave it out. The table sets out what each source showed when we checked in September 2026.

H3’s £84 is a benefit maximum. Its guidance notes say the published prices are the most it will pay for each procedure. Where a practice charges more, the patient pays the shortfall, so tell them before the test. Our patient self-pay guide covers how to quote and collect that balance.

Bupa insures many UK private patients, so its missing listing affects the most claims. Our guide to Bupa CCSD codes explains how Bupa applies the schedule and handles codes it doesn’t list.

ICD-10 diagnosis codes to pair with AA609

Every PMI claim for AA609 needs an ICD-10 diagnosis code. UK insurers use the WHO ICD-10 classification. Code the condition or risk that prompted the measurement, as the consultation note records it.

Avoid an unspecified code, such as M81.9, where the notes name the type of osteoporosis. Check every code against the current NHS Classifications Browser release before you submit.

Documentation requirements: What the consultation note must include

Insurers may ask for the consultation note at audit or after a query. If the note doesn’t support the code, the claim can be reversed. For AA609, it has to show that a physician took a peripheral reading, not a central scan.

• Site measured: Record the heel, wrist, forearm or finger, and which side.
• Method and device: State whether it was peripheral DXA or quantitative ultrasound, and which device was used.
• Who performed it: Name the consultant who took the reading. It should match the consultant on the invoice.
• Result: Record the reading and any score the device reports, such as a T-score.
• Indication: Give the reason for the test, so the ICD-10 code on the claim matches the note.
• Plan: Note whether the patient is referred for central DXA, started on treatment or discharged.

How to submit a claim for AA609

AA609 produces one professional invoice, from the physician who took the reading. There is no anesthetist invoice to align with it. Three checks decide whether a reading can go out as AA609 at all.

1. Confirm cover and the code. Check that the policy covers the test and the insurer accepts AA609. Record any authorization reference in the patient file.
2. Enter the procedure code. Enter AA609. Add a consultation fee only if the insurer confirms it pays both for one visit.
3. Add the diagnosis code. Enter the ICD-10 code for the indication, such as M81.0 or M85.8.
4. Complete the invoice fields. Add the membership number, authorization reference, date of service and treating consultant.
5. Submit through the insurer’s route. Use Healthcode where the insurer accepts it, or the insurer’s own route. H3 takes invoices by email or post within 30 days of the appointment.
6. Track and reconcile. Follow up any claim that goes unanswered, and record the payment against the invoice when it arrives.

H3 also asks for your H3 registration number on every invoice. Check each insurer’s provider terms for its own deadline and invoice fields, since they differ between payers.

Why AA609 claims get denied and how to prevent it

Many AA609 problems trace back to the code itself. It gets mistaken for anesthesia, confused with a central scan, or sent to an insurer that doesn’t list it. The table pairs each common cause with its fix.

How Pabau keeps AA609 claims complete

An AA609 claim is a small invoice, but a rejected one takes as long to chase as a large one. Keying the same patient and policy details into each insurer’s route by hand adds that risk to every claim.

Pabau’s claims management software submits claims to Healthcode from inside the practice’s own system. It pre-fills each submission with the patient, treatment and insurer details held on the patient record, so nobody types them twice.

Before a claim goes out, Pabau checks that required details, such as the membership number and authorization code, are in place. If one is missing, the claim can’t be sent until someone adds it, so the error is fixed before the insurer sees it.

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Pabau pre-fills Healthcode claims from the patient record and checks required details, such as membership numbers, before any claim can be sent.

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Conclusion

AA609 looks like an anesthesia code, and that misreading is where the errors on it start. Read it by its descriptor instead: a peripheral bone density measurement, performed and billed by one physician, with no anesthetist fee.

The harder question is whether the insurer will pay it at all. H3 lists it at £84, but Bupa’s online search and Freedom’s current schedule don’t include it. Settle the code in writing before the appointment, and the claim has little left to go wrong.

Book a demo to see how Pabau sends complete AA609 claims, from the patient record to payment.

Continue your research

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Looking for the Bupa fee schedule? Bupa procedure codes and fee schedule explains how Bupa reimburses CCSD-coded procedures.

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