Q35
Non-Billable

Cleft palate

Non-Billable / Non-Specific Code

What is Cleft palate?

ICD-10-CM Q35 is the diagnosis code for Cleft palate. This code falls under the section "Cleft lip and cleft palate" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for Q35

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Q35. They are mutually exclusive:

  • cleft palate with cleft lip (Q37.-)

ICD-10-CM Code Hierarchy

Understanding where Q35 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
Q35.1Cleft hard palateBillableQ35.3Cleft soft palateBillableQ35.5Cleft hard palate with cleft soft palateBillableQ35.7Cleft uvulaBillableQ35.9Cleft palate, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is Q35 a billable ICD-10-CM code?

No, Q35 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does Q35 mean?

Q35 is the ICD-10-CM diagnosis code for "Cleft palate". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is Q35 in?

Q35 is located in Section Q35-Q37 — "Cleft lip and cleft palate" within Chapter 17 of the ICD-10-CM Tabular List.

What are the sub-codes of Q35?

Q35 has 5 sub-code(s) that provide more specific detail: Q35.1, Q35.3, Q35.5, Q35.7, Q35.9.

When should I use Q35?

Use Q35 when the patients documented diagnosis matches "Cleft palate" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Cleft palate?

The ICD-10-CM code for Cleft palate is Q35.

Can Q35 be used for primary diagnosis?

No, Q35 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is Q35 in?

Q35 is in Chapter 17 of the ICD-10-CM Tabular List.

What conditions are excluded from Q35?

Type 1 Excludes for Q35 include: cleft palate with cleft lip (Q37.-).

Is Q35 valid for 2026?

Yes, Q35 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ34.9Congenital malformation of respiratory system, unspecifiedNext →Q35.1Cleft hard palate
Code Details
Q35
Cleft palate
Non-Billable / Non-Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q35-Q37 — Cleft lip and cleft palate
2026 ICD-10-CM