M71.88 classifies a bursopathy — an inflammatory or structural disorder of a bursa — that is both specified in type (not simply 'unspecified') and located at a site that does not map to any other individually coded bursal location within the M71 category.
Verified May 8, 2026 · 5 sources ↓
- Status
- Billable
- Chapter
- 13
- Related CPT
- 8
- Region
- Other
Documentation tips
What should appear in the chart to support M71.88.
Source · Editorial brief grounded in 5 cited references ↓
- Name the specific type of bursopathy (e.g., 'calcific bursitis,' 'adventitious bursa,' 'bursal abscess') — 'bursitis, other site' alone does not distinguish M71.88 from M71.9.
- Identify the exact anatomical location by name (e.g., 'sternal bursa,' 'scapular bursa,' 'sacral bursa') so reviewers can confirm it falls outside the site-specific M71 subcategories.
- Document any supporting imaging (ultrasound or MRI confirming bursal distension, calcification, or fluid collection) and tie findings directly to the named site in the assessment.
- Record conservative care history (NSAIDs, activity modification, physical therapy) when submitting for procedures — payers routinely require failed conservative treatment before approving surgical excision or repeat injections.
- If the bursopathy is related to an occupational or repetitive-use mechanism, reassess whether M70 series is more appropriate before assigning M71.88.
Related CPT procedures
Procedure codes commonly billed with M71.88. Linking the right diagnosis to the right procedure is what establishes medical necessity.
Source · CMS LCDs · AAOS specialty guidance · claims-pattern analysis
Common coding pitfalls
The recurring mistakes coders make with M71.88 and adjacent codes.
Source · Editorial brief grounded in CDC ICD-10-CM tabular guidance, AAOS coding references, and cited references ↓
- Assigning M71.88 when a site-specific code exists: if the bursa is at the shoulder, elbow, hip, knee, ankle, or foot, a more precise M71 subcode with laterality is almost always available and required.
- Confusing M71.88 with M70-series codes: bursitis caused by repetitive use or occupational pressure belongs in M70, not M71 — the Excludes1 note at M71 makes this a hard prohibition, not a discretionary choice.
- Using M71.88 when the documentation does not specify the bursopathy type — if the note only says 'bursitis, unspecified,' M71.9 is the correct fallback, not M71.88.
- Failing to check for a bunion exclusion: M20.1 (bunion) is Excludes1 from M71, so do not code M71.88 alongside M20.1 for the same site.
- Omitting a laterality qualifier in the documentation when the affected bursa is paired (e.g., bilateral sternoclavicular bursae) — while M71.88 itself does not carry a laterality digit, the clinical note should still specify side for audit support and any linked procedure code.
Clinical context
Source · Editorial summary grounded in 5 cited references ↓
M71.88 is the correct code when a provider documents a named bursopathy (e.g., adventitious bursitis, bursitis calcarea, abscess of bursa, bursolithiasis) at an anatomical site not captured by the site-specific subcodes under M71.1 through M71.5. Common clinical scenarios include bursopathy of the sternoclavicular region, sacral bursa, scapular bursa, or other atypical locations that fall outside the shoulder, elbow, wrist, hand, hip, knee, ankle, and foot categories coded elsewhere in M71.
Before landing on M71.88, verify that the condition does not belong in M70 (bursitis due to use, overuse, or pressure — think occupational or repetitive-strain bursitis), M76–M77 (enthesopathies), or M20.1 (bunion). These are hard Excludes1 exclusions from the M71 category and cannot be coded together with M71.88. If the bursopathy involves a site that has a dedicated laterality code under M71 (e.g., prepatellar bursitis at M71.41–M71.42), use that code instead — M71.88 is the residual 'other site' bin.
The 'other specified' element means the provider's documentation must identify a specific type of bursopathy. If the note only says 'bursitis' without naming the type or site clearly enough to rule in a more specific code, M71.9 (unspecified bursopathy) would apply instead. Pair M71.88 with imaging or aspiration findings when available to support medical necessity, especially for procedures such as bursa excision or corticosteroid injection.
Sibling codes
Other billable codes under M71.8 (laterality / anatomic variants).
Frequently asked questions
Source · Generated from the editorial pipeline, verified against 5 cited references ↓
01What makes M71.88 different from M71.9?
02Can M71.88 be used for shoulder or knee bursitis?
03Is M71.88 valid when bursitis results from repetitive occupational use?
04Which CPT procedures most commonly pair with M71.88?
05Does M71.88 require a 7th character?
06What is the ICD-9-CM equivalent of M71.88?
07Can M71.88 be used as a primary diagnosis for a corticosteroid injection claim?
Sources & references
Editorial content was developed using the following public sources. Last verified May 8, 2026.
- 01CDC ICD-10-CM Tabular List 2026
- 02icd10data.comhttps://www.icd10data.com/ICD10CM/Codes/M00-M99/M70-M79/M71-/M71.88
- 03aapc.comhttps://www.aapc.com/codes/icd-10-codes/M71.8
- 04icd10data.comhttps://www.icd10data.com/Convert/M71.88
- 05cms.govhttps://www.cms.gov/files/document/fy-2025-icd-10-cm-coding-guidelines.pdf
Mira AI Scribe
The Mira AI Scribe captures the specific bursal structure affected (e.g., 'sternal bursa,' 'scapular bursa'), the type of bursopathy (calcific, adventitious, abscess, etc.), imaging confirmation (ultrasound or MRI findings including fluid volume or calcification), and prior conservative treatment attempts. This prevents downcoding to the unspecified M71.9, avoids misrouting to the M70 use/overuse series, and supplies the medical necessity documentation payers require before approving injections or excision at an atypical site.
See how Mira captures M71.88 documentation