Q13 — Congenital malformations of anterior segment of eye

Not billable

Is Q13 billable?

No — Q13 is a non-billable header code. Q13 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 9 billable codes beneath Q13.

Billable codes under this header

Q13 at a glance

Code	Q13
Description	Congenital malformations of anterior segment of eye
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes2 — not included here — inherited from Chapter 17

The conditions below are not part of Q13, but a patient may have both at the same time. When documentation supports it, Q13 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 Q13, but a patient may have both at the same time. When documentation supports it, Q13 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)

What codes fall under Q13? (8)

How long has Q13 existed?

Q13 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.