2021 ICD-10-CM Code S99.121S

Salter-Harris Type II physeal fracture of right metatarsal, sequela

  1. ICD-10-CM Index
  2. Chapter: S00–T98
  3. Section: S90-S99
  4. Block: S99
  5. S99.121S - Sltr-haris Type II physeal fx right metatarsal, sequela
Version 2021
Billable Code
7th Character Code
Sequela Code
MS-DRG Mapping

Valid for Submission

S99.121S is a billable diagnosis code used to specify a medical diagnosis of salter-harris type ii physeal fracture of right metatarsal, sequela. The code S99.121S is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

S99.121S is a sequela code, includes a 7th character and should be used for complications that arise as a direct result of a condition like salter-harris type ii physeal fracture of right metatarsal. According to ICD-10-CM Guidelines a "sequela" code should be used for chronic or residual conditions that are complications of an initial acute disease, illness or injury. The most common sequela is pain. Usually, two diagnosis codes are needed when reporting sequela. The first code describes the nature of the sequela while the second code describes the sequela or late effect.

ICD-10:S99.121S
Short Description:Sltr-haris Type II physeal fx right metatarsal, sequela
Long Description:Salter-Harris Type II physeal fracture of right metatarsal, sequela

Code Classification

Replacement Code

S99121S replaces the following previously assigned ICD-10 code(s):

Convert S99.121S to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code S99.121S its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

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:

Ill-fitting shoes often cause these problems. Aging and being overweight also increase your chances of having foot problems.


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Fractures

Also called: Broken bone

A fracture is a break, usually in a bone. If the broken bone punctures the skin, it is called an open or compound fracture. Fractures commonly happen because of car accidents, falls, or sports injuries. Other causes are low bone density and osteoporosis, which cause weakening of the bones. Overuse can cause stress fractures, which are very small cracks in the bone.

Symptoms of a fracture are

You need to get medical care right away for any fracture. An x-ray can tell if your bone is broken. You may need to wear a cast or splint. Sometimes you need surgery to put in plates, pins or screws to keep the bone in place.


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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018

Previous Code: S99.121P

Related Codes

Next Code: S99.122