Is ICD-10-CM code Q89 billable?

No, Q89 (Other congenital malformations, not elsewhere classified) 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 Q89 belong to?

Q89 belongs to Chapter 17 of the ICD-10-CM tabular list: Q00–Q99 (Congenital Malformations, Deformations and Chromosomal Abnormalities).

Q89Not billable, use a more specific code below

Other congenital malformations, not elsewhere classified

In Other congenital malformations (Q80-Q89), chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities

10 billable codes under Q89: 1 is an MCC, 6 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

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)

All codes under Q89

Q89 can't be used on a claim. Pick a billable code below; grey headings group them.

Q89 MS-DRGs

As the principal diagnosis, the billable codes under Q89 group to these 15 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 564 Other Musculoskeletal System and Connective Tissue Diagnoses with MCC (3 of 10 codes)
DRG 565 Other Musculoskeletal System and Connective Tissue Diagnoses with CC (3 of 10 codes)
DRG 566 Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC (3 of 10 codes)
DRG 393 Other Digestive System Diagnoses with MCC (2 of 10 codes)
DRG 394 Other Digestive System Diagnoses with CC (2 of 10 codes)
DRG 395 Other Digestive System Diagnoses without CC/MCC (2 of 10 codes)
DRG 643 Endocrine Disorders with MCC (2 of 10 codes)
DRG 644 Endocrine Disorders with CC (2 of 10 codes)
DRG 645 Endocrine Disorders without CC/MCC (2 of 10 codes)
DRG 814 Reticuloendothelial and Immunity Disorders with MCC (2 of 10 codes)
DRG 815 Reticuloendothelial and Immunity Disorders with CC (2 of 10 codes)
DRG 816 Reticuloendothelial and Immunity Disorders without CC/MCC (2 of 10 codes)
DRG 791 Prematurity with Major Problems (1 of 10 codes)
DRG 793 Full Term Neonate with Major Problems (1 of 10 codes)
DRG 951 Other Factors Influencing Health Status (1 of 10 codes)

Other codes that refer to Q89

Notes on these codes point to Q89.

Z87.7 Includes: Conditions classifiable to Q00-Q89 that have been repaired or corrected

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.