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M86.8X41 ICD-10-CM Code: Other osteomyelitis, right hand

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Code Set: New for FY2027 — not valid before October 1, 2026.

Code Overview

No additional overview provided for this record.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M86.8X41 in the official ICD-10-CM tabular list.

Notes without a marker are published on M86.8X41 itself; “inherited from” names the category or block whose note applies here.

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code (B95-B97) to identify infectious agent inherited from M86
  • Use additional code to identify major osseous defect, if applicable (M89.7-) inherited from M86

7th Character Guide

  • 1 — right hand (this page’s code)
  • 2 — left hand
  • 9 — unspecified hand

Variant codes in this family

M86.8X41, M86.8X42, M86.8X49

Character meanings are CMS's official 7th-character extensions for this family, as carried in each variant code's official description; variant codes are registry rows. The explanation of how the encounter character is assigned is MedCoder editorial, distinct from the official content above it.

Change history

  • Upcoming · effective FY2027 — October 1, 2026
    Will be added to the code set
    Other osteomyelitis, right hand
    FY2027 changes

Decision Points

The directives on this code's own record, as a pre-claim checklist.

  1. A 7th character applies in this family. Confirm the documented encounter matches the character assigned. See the official 7th-character definitions and this code’s variants
  2. Laterality is coded in this family. Confirm the documented side matches the code — the opposite-side siblings are in the relationships section. See the opposite-side sibling codes
  3. 2 Use Additional Code instructions — report the named additional code(s) when the documentation supports them. See the Use Additional Code notes
  4. 5 Excludes1 entries — codes named there are generally not reported together with this code (Guidelines I.A.12.a). See the Excludes1 notes
  5. 4 Excludes2 entries — those conditions are not part of this code and may be reported additionally when documented. See the Excludes2 notes

Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.

Verify Before Coding

  • No Medicare Code Editor or MS-DRG Definitions Manual restrictions apply to this code.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

Other codes that name M86.8X41 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Code First instruction: M89.7 — Major osseous defect (via M86.-).

These codes instruct coders to sequence this condition first when it applies.

Related Codes

Same condition, opposite side

Same category and title, differing only in which side of the body is affected.

M86.8X42 — Other osteomyelitis, left hand (left)Compare M86.8X41 vs M86.8X42 →, M86.8X49 — Other osteomyelitis, unspecified hand (unspecified)Compare M86.8X41 vs M86.8X49 →

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Abscess”; these codes share that main term but sit in a different category of the Tabular List.

M71.01 — Abscess of bursa, shoulder (bursa, shoulder), M71.02 — Abscess of bursa, elbow (bursa, elbow), M71.03 — Abscess of bursa, wrist (bursa, wrist), M71.04 — Abscess of bursa, hand (bursa, hand), M71.05 — Abscess of bursa, hip (bursa, hip), M71.06 — Abscess of bursa, knee (bursa, knee), M71.07 — Abscess of bursa, ankle and foot (bursa, foot), M71.08 — Abscess of bursa, other site (bursa, specified site NEC), M71.09 — Abscess of bursa, multiple sites (bursa, multiple sites), M72.8 — Other fibroblastic disorders (fascia), N13.6 — Pyonephrosis (kidney, with calculus, with hydronephrosis), N15.1 — Renal and perinephric abscess (kidney), N20.0 — Calculus of kidney (kidney, with calculus), N28.89 — Other specified disorders of kidney and ureter (periureteral), N34.0 — Urethral abscess (lacunar), N41.2 — Abscess of prostate (prostate), N45.4 — Abscess of epididymis or testis (testis), N48.21 — Abscess of corpus cavernosum and penis (penis), N49.0 — Inflammatory disorders of seminal vesicle (seminal vesicle), N49.1 — Inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens (vas deferens), +173 more

Contextual Map

Every relationship of M86.8X41 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

Referenced by Code First instructions

Nearest codes (40)

Change history

Nearest Codes in This Family

Official ICD-10-CM classifications closest to M86.8X41 in its code family, with their registry titles.

View all codes in the M86 family