2026 ICD-10-CM Diagnosis Code Q72Reduction defects of lower limb

ICD-10-CM Codes›Q00-Q99›Q65-Q79›Q72

ICD-10-CM Q72
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q72 is a non-billable ICD-10-CM category code for reduction defects of lower limb, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q72.00, Q72.01, Q72.02, and Q72.03.

Code Identity

ICD-10-CM Code
Q72
Billable Status
No — Non-Billable Category
Code Describes
Reduction defects of lower limb
Chapter
Q65-Q79
Congenital malformations and deformations of the musculoskeletal system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ65-Q79Congenital malformations and deformations of the musculoskeletal system
CategoryQ72Reduction defects of lower limb
This CodeQ72Reduction defects of lower limb

Specific Coding for Reduction defects of lower limbOverview

Non-specific codes like Q72 require more characters. Use one of these billable codes instead:

  • Q72.0 for Congenital complete absence of lower limb

  • Use Q72.00 for Congenital complete absence of unspecified lower limb

  • Use Q72.01 for Congenital complete absence of right lower limb

  • Use Q72.02 for Congenital complete absence of left lower limb

  • Use Q72.03 for Congenital complete absence of lower limb, bilateral

  • Q72.1 for Congenital absence of thigh and lower leg with foot present

  • Use Q72.10 for Congenital absence of unspecified thigh and lower leg with foot present

  • Use Q72.11 for Congenital absence of right thigh and lower leg with foot present

  • Use Q72.12 for Congenital absence of left thigh and lower leg with foot present

  • Use Q72.13 for Congenital absence of thigh and lower leg with foot present, bilateral

  • Q72.2 for Congenital absence of both lower leg and foot

  • Use Q72.20 for Congenital absence of both lower leg and foot, unspecified lower limb

  • Use Q72.21 for Congenital absence of both lower leg and foot, right lower limb

  • Use Q72.22 for Congenital absence of both lower leg and foot, left lower limb

  • Use Q72.23 for Congenital absence of both lower leg and foot, bilateral

  • Q72.3 for Congenital absence of foot and toe(s)

  • Use Q72.30 for Congenital absence of unspecified foot and toe(s)

  • Use Q72.31 for Congenital absence of right foot and toe(s)

  • Use Q72.32 for Congenital absence of left foot and toe(s)

  • Use Q72.33 for Congenital absence of foot and toe(s), bilateral

  • Q72.4 for Longitudinal reduction defect of femur

  • Use Q72.40 for Longitudinal reduction defect of unspecified femur

  • Use Q72.41 for Longitudinal reduction defect of right femur

  • Use Q72.42 for Longitudinal reduction defect of left femur

  • Use Q72.43 for Longitudinal reduction defect of femur, bilateral

  • Q72.5 for Longitudinal reduction defect of tibia

  • Use Q72.50 for Longitudinal reduction defect of unspecified tibia

  • Use Q72.51 for Longitudinal reduction defect of right tibia

  • Use Q72.52 for Longitudinal reduction defect of left tibia

  • Use Q72.53 for Longitudinal reduction defect of tibia, bilateral

  • Q72.6 for Longitudinal reduction defect of fibula

  • Use Q72.60 for Longitudinal reduction defect of unspecified fibula

  • Use Q72.61 for Longitudinal reduction defect of right fibula

  • Use Q72.62 for Longitudinal reduction defect of left fibula

  • Use Q72.63 for Longitudinal reduction defect of fibula, bilateral

  • Q72.7 for Split foot

  • Use Q72.70 for Split foot, unspecified lower limb

  • Use Q72.71 for Split foot, right lower limb

  • Use Q72.72 for Split foot, left lower limb

  • Use Q72.73 for Split foot, bilateral

  • Q72.8 for Other reduction defects of lower limb

  • Q72.81 for Congenital shortening of lower limb

  • Q72.89 for Other reduction defects of lower limb

  • Q72.9 for Unspecified reduction defect of lower limb

  • Use Q72.90 for Unspecified reduction defect of unspecified lower limb

  • Use Q72.91 for Unspecified reduction defect of right lower limb

  • Use Q72.92 for Unspecified reduction defect of left lower limb

  • Use Q72.93 for Unspecified reduction defect of lower limb, bilateral

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.

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 Q72Overview

Is Q72 (Reduction defects of lower limb) a billable code?

No. This is a category header that groups the codes for reduction defects of lower limb, and headers cannot be submitted on claims. Claims for reduction defects of lower limb need a more specific code from this category, such as Q72.00, Q72.01, and Q72.02.