Is ICD-10-CM code Q33 billable?

No, Q33 (Congenital malformations of lung) 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 Q33 belong to?

Q33 belongs to Chapter 17 of the ICD-10-CM tabular list: Q00–Q99 (Congenital Malformations, Deformations and Chromosomal Abnormalities).

Q33Not billable, use a more specific code below

Congenital malformations of lung

In Congenital malformations of the respiratory system (Q30-Q34), chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities

9 billable codes under Q33: 3 are an MCC, 2 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 Q33

Q33 can't be used on a claim. Pick a billable code below; grey headings group them.

Q33 MS-DRGs

As the principal diagnosis, the billable codes under Q33 group to MS-DRG 205, 206, 190, 191, or 192 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 205 Other Respiratory System Diagnoses with MCC (8 of 9 codes)
DRG 206 Other Respiratory System Diagnoses without MCC (8 of 9 codes)
DRG 190 Chronic Obstructive Pulmonary Disease with MCC (1 of 9 codes)
DRG 191 Chronic Obstructive Pulmonary Disease with CC (1 of 9 codes)
DRG 192 Chronic Obstructive Pulmonary Disease without CC/MCC (1 of 9 codes)

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.

Lung Diseases

When you breathe, your lungs take in oxygen from the air and deliver it to the bloodstream. The cells in your body need oxygen to work and grow. During a normal day, you breathe nearly 25,000 times. People with lung disease have difficulty breathing. Millions of people in the U.S. have lung disease. If all types of lung disease are lumped together, it is the number three killer in the United States.

Code history

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