2026 ICD-10-CM Diagnosis Code Q76.429Congenital lordosis, unspecified region

ICD-10-CM Codes›Q00-Q99›Q65-Q79›Q76

ICD-10-CM Q76.429
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q76.429 is a billable ICD-10-CM diagnosis code for congenital lordosis, unspecified region. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 456 through 458, 564 through 566. The code is exempt from POA reporting. Coders also document this condition as congenital lordosis and scoliosis deformity of spine. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Musculoskeletal congenital conditions.

Code Identity

ICD-10-CM Code
Q76.429
Billable Status
Yes — Valid for Submission
Code Describes
Congenital lordosis, unspecified region
Short Description
Congenital lordosis, unspecified region
Same as the full description in the CMS dataset.
Parent Code
Q76.42
Congenital lordosis

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ65-Q79Congenital malformations and deformations of the musculoskeletal system
CategoryQ76Congenital malformations of spine and bony thorax
This CodeQ76.429Congenital lordosis, unspecified region

Present on Admission (POA)Billing

Q76.429 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Congenital lordosis and scoliosis deformity of spine
  • Congenital lordosis deformity of spine
  • Congenital lordosis deformity of spine due to congenital malformation of skeletal bone
  • Congenital lordosis/scoliosis
  • Lordosis and scoliosis deformity of spine

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Lordosis
      • congenital

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL008
Musculoskeletal congenital conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

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.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Q76.429 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
754.2 Cong postural deformity
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q76.429Overview

Is Q76.429 (Congenital lordosis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report congenital lordosis, unspecified region on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q76.429 group to?

When congenital lordosis, unspecified region is the principal diagnosis on an inpatient stay, it groups to MS-DRG 456, 457, 458, 564, 565, 566, with relative weights from 0.7493 to 8.4034 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q76.429 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for congenital lordosis, unspecified region on inpatient claims.

What is the ICD-9 equivalent of Q76.429?

Under the General Equivalence Mappings, congenital lordosis, unspecified region converts to ICD-9-CM 754.2 (cong postural deformity). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.