734Flat foot

Diseases of the musculoskeletal system and connective tissue (710–739)›Osteopathies, chondropathies, and acquired musculoskeletal deformities (730-739)›734 Flat foot
ICD-9-CM 734
CMS Source: final ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.FacebookXLinkedInPrint

734 is a legacy ICD-9-CM diagnosis code for flat foot. It was valid on U.S. claims through September 30, 2015 and cannot be reported for services on or after October 1, 2015, when ICD-10-CM replaced the ICD-9 code set. Under the CMS General Equivalence Mappings, its ICD-10-CM replacement is M21.40 (Flat foot [pes planus] (acquired), unspecified foot), flagged as an approximate match.

Code Identity

ICD-9-CM Code
734
Valid for Submission
No — Legacy Code
Code Describes
Flat foot
Short Description
Flat foot
Same as the full description in the CMS dataset.
Parent Block
734 Flat foot
ICD-10-CM Replacement
M21.40 (approximate)

Convert 734 to ICD-10-CM

Based on the final CMS General Equivalence Mappings (GEMs), 734 crosswalks to the following ICD-10-CM code.

ICD-10-CM
M21.40 Flat foot [pes planus] (acquired), unspecified foot
Approximate The match is approximate rather than exact.

Index of Diseases References

Entries in the final ICD-9-CM Index to Diseases and Injuries that point to 734. Tap the icons for the official index conventions.

  • Broken
  • Depression 311
  • Fallen arches 734
  • Flat
    • foot acquired fixed type painful postural spastic 734
      • rocker bottom congenital 754.61
      • vertical talus congenital 754.61
  • Pes congenital SEE ALSO Talipes 754.70
    • acquired NEC 736.79
      • planus 734
    • planus acquired any degree 734
  • Relaxation
    • arch foot 734
  • Spasm spastic spasticity SEE ALSO condition 781.0
    • peroneo extensor SEE ALSO Flat foot 734
  • Talipes congenital 754.70
    • acquired NEC 736.79
      • planus 734
    • planus acquired any degree 734
  • Weak weakness generalized 780.79
    • arches acquired 734

Information for Patients

Foot Injuries and Disorders

Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:

Read the full article at MedlinePlus

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

Questions About 734

Is 734 (flat foot) still a valid code?

No. This code belonged to ICD-9-CM, which the United States retired after September 30, 2015. Claims with dates of service on or after October 1, 2015 must use ICD-10-CM codes, such as its replacement M21.40.

What is the ICD-10 replacement for 734?

The General Equivalence Mappings crosswalk this code to ICD-10-CM M21.40 (Flat foot [pes planus] (acquired), unspecified foot). The match is flagged as approximate, so confirm it against the clinical documentation before use.

What did 734 mean?

In the final ICD-9-CM release, this code described flat foot. It sat in block 734 Flat foot under Diseases of the musculoskeletal system and connective tissue (710–739).