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ICD-10 Code M86.412: Chronic osteomyelitis with draining sinus, left shoulder

M86.412 is a billable ICD-10 diagnosis code used to classify Chronic osteomyelitis with draining sinus, left shoulder 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 26 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 chronic osteomyelitis with draining sinus, left shoulder 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
M80-M94Osteopathies and chondropathies
block
M86-M90Other osteopathies
category
M86Osteomyelitis
category
M86.4Chronic osteomyelitis with draining sinus
category
M86.41Chronic osteomyelitis with draining sinus, shoulder
currentM86.41

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

Coverage-related procedures and services

CPT 97598high
DEBRIDEMENT (EG, HIGH PRESSURE WATERJET WITH/WITHOUT SUCTION, SHARP SELECTIVE DEBRIDEMENT WITH SCISSORS, SCALPEL AND FORCEPS), OPEN WOUND, (EG, FIBRIN, DEVITALIZED EPIDERMIS AND/OR DERMIS, EXUDATE, DEBRIS, BIOFILM), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, USE OF A WHIRLPOOL, WHEN PERFORMED AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION, TOTAL WOUND(S) SURFACE AREA; EACH ADDITIONAL 20 SQ CM, OR PART THEREOF (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 97597high
DEBRIDEMENT (EG, HIGH PRESSURE WATERJET WITH/WITHOUT SUCTION, SHARP SELECTIVE DEBRIDEMENT WITH SCISSORS, SCALPEL AND FORCEPS), OPEN WOUND, (EG, FIBRIN, DEVITALIZED EPIDERMIS AND/OR DERMIS, EXUDATE, DEBRIS, BIOFILM), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, USE OF A WHIRLPOOL, WHEN PERFORMED AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION, TOTAL WOUND(S) SURFACE AREA; FIRST 20 SQ CM OR LESS
Source: CMS coverage guidance
CPT 11001high
DEBRIDEMENT OF EXTENSIVE ECZEMATOUS OR INFECTED SKIN; EACH ADDITIONAL 10% OF THE BODY SURFACE, OR PART THEREOF (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 11000high
DEBRIDEMENT OF EXTENSIVE ECZEMATOUS OR INFECTED SKIN; UP TO 10% OF BODY SURFACE
Source: CMS coverage guidance
CPT 11005high
DEBRIDEMENT OF SKIN, SUBCUTANEOUS TISSUE, MUSCLE AND FASCIA FOR NECROTIZING SOFT TISSUE INFECTION; ABDOMINAL WALL, WITH OR WITHOUT FASCIAL CLOSURE
Source: CMS coverage guidance
CPT 11004high
DEBRIDEMENT OF SKIN, SUBCUTANEOUS TISSUE, MUSCLE AND FASCIA FOR NECROTIZING SOFT TISSUE INFECTION; EXTERNAL GENITALIA AND PERINEUM
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Chronic osteomyelitis with draining sinus, left shoulder

Frequently asked questions

Code details

CodeM86.412
SystemICD10
Display nameChronic osteomyelitis with draining sinus, left shoulder
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockOther osteopathies

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 M86.412 for Chronic osteomyelitis with draining sinus, left shoulder | HealthAssure