Deep Vein Thrombosis (DVT)
Auckland | Counties Manukau | Waitematā
Investigation of DVT
POAC will fund community ultrasound investigation of suspected DVT where the patient presents with signs/symptoms of DVT, AND one of the following:
Pregnant, superficial thrombophlebitis, upper limb, or a repeat scan required within 7–10 days (as advised by haematology/thrombosis)
OR
Wells Score ≥ 2 — see the DVT HealthPathway
OR
Elevated d-dimer (age-adjusted if the patient is 50 years or older — see table below)
Age-adjusted d-dimer
| Age | D-dimer |
|---|---|
| Under 50 | > 500 |
| 51–60 | > 600 |
| 61–70 | > 700 |
| 71–80 | > 800 |
| 81–90 | > 900 |
| Over 90 | > 1000 |
Important notes
- Delayed ultrasound: Consider anticoagulation — refer to the DVT USS HealthPathway.
- Bilateral limb ultrasound: Requires haematology endorsement.
- Exclude red flags: If there is any concern regarding PE, discuss with haematology prior to referring to POAC.
Submit a referral
1. POAC PMS system
Generate a new referral via the PMS POAC form, using the DVT diagnosis code. Email the radiology request to referral@poac.co.nz.
2. Online radiology form
Submit the referral directly via the online radiology form.
Once the referral has been received, POAC will coordinate the booking and contact the patient and referrer with booking details. Refer to the POAC Claiming Schedule for information on funding and claiming.
Haematology contact
Te Toka Tumai Auckland
Mon–Sun, 10.00pm–8.00am
Sat–Sun, 8.00am–10.00pm
Counties Manukau
Waitematā
Last reviewed: [add date]
Important note: All POAC referrals and claims are subject to the applicable terms and conditions of use.
Investigation of DVT
POAC will fund community ultrasound investigation of suspected DVT where:
Patient presents with signs/symptoms of DVT, AND one of the following:
Pregnant or Superficial Thrombophlebitis or Upper Limb or Repeat scan required within 7-10 days (as advised by haematology/thrombosis), OR
Wells Score >2 (see here), OR
Elevated d-dimer (age-adjusted if 50+ years lab d-dimer)
Age
D-Dimer
<50
>500
51-60
>600
61-70
>700
71-80
>800
81-90
>900
>90
>1000
Important notes:
Delayed ultrasound: Consider anticoagulation (refer Healthpathway)
Bilateral limb ultrasound: Requires haematology endorsement
Exclude Red Flags: If any concerns regarding PE, discuss with Haematology prior to referring to POAC
NOTE: Refer to POAC terms and conditions of use and ensure patient is eligible for public health funding.
Submit Referral
Referrals can be submitted by:
POAC PMS system
Generate a new referral via the PMS POAC form, use the DVT Diagnosis Code. Email radiology request to referral@poac.co.nz
OR
Submit Online Radiology Form here
Once the referral has been received, POAC will coordinate the booking and contact the patient and referrer with booking details.
Refer POAC Claiming Schedule for information on funding and claiming.
Haematology Contact
Te Toka Tumai Auckland
Contact the on-call haematology registrar:
Phone (09) 307-2800:
Monday to Friday, 8.00 am to 5.00 pm
Monday to Sunday, 10.00 pm to 8.00 am
Phone 021-492-246:
Monday to Friday, 5.00 pm to 10.00 pm
Saturday and Sunday, 8.00 am to 10.00 pm
Counties Manukau
Contact the on-call haematology registrar:
8.00 am to 4.00 pm, phone 021‑736‑239. If there is no answer, wait and call again as the registrar may be with a patient. Do not leave a message.
After hours – Phone (09) 276-0000.
Waitematā
Contact the on-call haematology registrar:
8.00 am to 4.00 pm, phone 021-784-656.
After hours – Phone (09) 486‑8908.
Updated: July 2026