M083

Intranasal ethmoidectomy, may include maxillary antrostomy, with endoscope – unilateral (not eligible for payment with M061 or M054)

Fee

ComponentValue
Provider fee$350.00
Schedule and sources
Fee edition
October 1, 2026
Record effective
2026-04-01
Schedule edition
July 22, 2026; effective July 1, 2026
Official files

PDF page 646 / P6

Intranasal ethmoidectomy, may include maxillary antrostomy, with endoscope – unilateral (not eligible for payment with M061 or M054) ................................................................... 350.00 10
Passages mentioning M083

PDF page 646 / P6

RESPIRATORY SURGICAL PROCEDURES
ACCESSORY NASAL SINUSES
                                                                                                        Asst         Surg          Anae
    ACCESSORY NASAL SINUSES – ENDOSCOPIC APPROACH
# Z318 Trephine or endoscopic frontal sinusotomy (e.g., Draf I or Draf
          IIA)......................................................................................                 133.30          7
# M054 Intranasal maxillary antrostomy – unilateral – by endoscopic or
          endonasal approach...........................................................                    6         123.70          10
# M050 Frontal sinusotomy (e.g., Draf IIB or Draf IIC), unilateral .......                                           350.00          10
# E865    - bilateral procedure, to M050 ...................................... add                                  200.00
# M052 Median frontal sinusotomy (e.g., Draf III / Modified Lothrop)                                                 660.20          10
    Ethmoidectomy/Antrostomy
# M083 Intranasal ethmoidectomy, may include maxillary antrostomy,
          with endoscope – unilateral (not eligible for payment with
          M061 or M054) ...................................................................                          350.00          10
# E844    - bilateral procedure, to M083 ...................................... add                                  200.00
         Payment rules:
         1.M083 is only eligible for payment in addition to M050 or M052 when endoscopic intranasal
           ethmoidectomy is medically necessary to treat ethmoid sinus pathology. Ethmoidectomy
           performed for surgical access is not eligible for separate payment.

PDF page 646 / P6

# Z350 Endoscopic sphenoidotomy - unilateral ..................................                                      123.70          10
# E843   - bilateral procedure, to Z350 ....................................... add                                  103.05
# E845   - when performed using a 3D CT/MRI image guided
           system, to M050, M052, M083 or Z350 ..................... add                                             140.00
         Note:
         E845 is only eligible for payment under the following circumstances:
         1.Identification of the anatomy of the paranasal sinuses distorted by previous surgery, trauma,
           abnormalities of development or benign or malignant tumours; or
         2.A pathological lesion abuts the base of the skull, orbit, optic nerve or carotid artery.
Fee master record

Master, record 3675. Record Layout PDF, page 1.

M08320260401999999990000350000000000000000000000000000000159600000001596000

Auxiliary master fields are preserved as raw scaled values. The linked layout calls them zero-filled, but this edition contains non-zero values. They are not presented as final dollar fees or PDF units.

FieldRaw / scale 10,000
provider00003500000 / 350
assistant00000000000 / 0
specialist00000000000 / 0
anaesthetist00001596000 / 159.6
non anaesthetist00001596000 / 159.6
Explanation

AI-generated. Unreviewed.

Unilateral intranasal ethmoidectomy with endoscope, which may include maxillary antrostomy. Listed under Ethmoidectomy/Antrostomy in the Respiratory Surgical Procedures section.

Watch out for

Not eligible for payment with M061 or M054. Only eligible in addition to M050 or M052 when endoscopic intranasal ethmoidectomy is medically necessary to treat ethmoid sinus pathology. Ethmoidectomy performed for surgical access is not eligible for separate payment.

Related codes

Sources and updates
Fee master effective October 1, 2026Schedule effective July 1, 2026Source versions and changes
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