Is ICD-10-CM code Q70 billable?

No, Q70 (Syndactyly) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code Q70 belong to?

Q70 belongs to Chapter 17 of the ICD-10-CM tabular list: Q00–Q99 (Congenital Malformations, Deformations and Chromosomal Abnormalities).

Q70Not billable, use a more specific code below

Syndactyly

In Congenital malformations and deformations of the musculoskeletal system (Q65-Q79), chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities

18 billable codes under Q70: none are a CC or MCC; none map to an HCC.

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Assign Q00-QA1 codes for documented congenital anomalies or genetic disorders at any age, coding non-inherent manifestations separately and sequencing Z38 first on the birth admission.

Read Section I.C.17 (page 74)

Q70 MS-DRGs

As the principal diagnosis, all 18 billable codes under Q70 group to MS-DRG 564, 565, or 566 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to Q70

Notes on these codes point to Q70.

M20 Excludes1: congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-)
Q74 Excludes1: syndactyly (Q70.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Birth Defects

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.