ICDcodes.org
FY2027

Q18.3 — Webbing of neck

Billable

Is Q18.3 billable?

Yes — Q18.3 is billable for FY2027. Q18.3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q18.3 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Q18.3 at a glance

CodeQ18.3
DescriptionWebbing of neck
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does Q18.3 group to?

Q18.3 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 606Minor Skin Disorders with MCCmedical
  • 607Minor Skin Disorders without MCCmedical

How is Q18.3 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Q18.3. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Pterygium › colli (eye)
  • Web, webbed › neck (congenital)

Inclusion terms

Alternative wording in documentation that is classified to Q18.3.

  • Pterygium colli

Excludes1 — never code together — inherited from Q18

The conditions below can never be reported together with Q18.3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • cleft lip and cleft palate (Q35-Q37)
  • conditions classified to Q67.0-Q67.4
  • congenital malformations of skull and face bones (Q75.-)
  • cyclopia (Q87.0)
  • dentofacial anomalies [including malocclusion] (M26.-)
  • malformation syndromes affecting facial appearance (Q87.0)
  • persistent thyroglossal duct (Q89.2)

Excludes2 — not included here — inherited from Chapter 17

The conditions below are not part of Q18.3, but a patient may have both at the same time. When documentation supports it, Q18.3 and the excluded code may both be reported.

  • inborn errors of metabolism (E70-E88)

Excludes2 — not included here — inherited from Q10-Q18

The conditions below are not part of Q18.3, but a patient may have both at the same time. When documentation supports it, Q18.3 and the excluded code may both be reported.

  • cleft lip and cleft palate (Q35-Q37)
  • congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)
  • congenital malformation of larynx (Q31.-)
  • congenital malformation of lip NEC (Q38.0)
  • congenital malformation of nose (Q30.-)
  • congenital malformation of parathyroid gland (Q89.2)
  • congenital malformation of thyroid gland (Q89.2)

How long has Q18.3 existed?

Q18.3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to Q18.3?

What other codes are in the Q18 family? (9)