ICD10BillableValid for clinical use

ICD-10 Code M77.10: Lateral epicondylitis, unspecified elbow

M77.10 is a billable ICD-10 diagnosis code used to classify Lateral epicondylitis, unspecified elbow in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

When is it used?

  • May be used when a clinician documents lateral epicondylitis, unspecified elbow in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
13Diseases of the musculoskeletal system and connective tissue (M00-M99)
block
M60-M79Soft tissue disorders
block
M70-M79Other soft tissue disorders
category
M77Other enthesopathies
category
M77.1Lateral epicondylitis
currentM77.1

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Orthopedic SpecialistRheumatologist

Coding guidelines

Common synonyms

Lateral epicondylitis, unspecified elbowLateral epicondylitis

Frequently asked questions

Code details

CodeM77.10
SystemICD10
Display nameLateral epicondylitis, unspecified elbow
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockOther soft tissue disorders

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code M77.10 for Lateral epicondylitis, unspecified elbow | HealthAssure