L03.322 ICD-10-CM Code: Acute lymphangitis of back [any part except buttock and flank]
L03.322 is the authoritative medical code for Acute lymphangitis of back [any part except buttock and flank]. This classification is used in medical billing and clinical recording to specify the clinical criteria for acute lymphangitis of back [any part except buttock and flank] (ICD-10-CM L03.322), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 573 — SKIN GRAFT FOR SKIN ULCER OR CELLULITIS WITH MCC (MDC 09)
- MS-DRG 574 — SKIN GRAFT FOR SKIN ULCER OR CELLULITIS WITH CC (MDC 09)
- MS-DRG 575 — SKIN GRAFT FOR SKIN ULCER OR CELLULITIS WITHOUT CC/MCC (MDC 09)
- MS-DRG 602 — CELLULITIS WITH MCC (MDC 09)
- MS-DRG 603 — CELLULITIS WITHOUT MCC (MDC 09)
- MS-DRG 791 — PREMATURITY WITH MAJOR PROBLEMS (MDC 15)
- MS-DRG 793 — FULL TERM NEONATE WITH MAJOR PROBLEMS (MDC 15)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for L03.322 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- cellulitis of anal and rectal region (K61.-)
- cellulitis of external auditory canal (H60.1)
- cellulitis of eyelid (H00.0)
- cellulitis of female external genital organs (N76.4)
- cellulitis of lacrimal apparatus (H04.3)
- cellulitis of male external genital organs (N48.2, N49.-)
- cellulitis of mouth (K12.2)
- cellulitis of nose (J34.0)
- eosinophilic cellulitis Wells
- febrile neutrophilic dermatosis Sweet
- lymphangitis (chronic) (subacute) (I89.1)
- hordeolum (H00.0)
- infective dermatitis (L30.3)
- local infections of skin classified in Chapter 1
- lupus panniculitis (L93.2)
- panniculitis NOS (M79.3)
- panniculitis of neck and back (M54.0-)
- Perlèche NOS (K13.0)
- Perlèche due to candidiasis (B37.0)
- Perlèche due to riboflavin deficiency (E53.0)
- pyogenic granuloma (L98.0)
- relapsing panniculitis Weber-Christian
- viral warts (B07.-)
- zoster (B02.-)
Use Additional Code
Supplementary codes the tabular list directs you to add.
- Use additional code (B95-B97) to identify infectious agent.
Frequently Asked Questions (FAQ) & Clinical Guidance
Can L03.322 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, L03.322 and the following are not considered part of each other and may both be reported when both conditions are present: cellulitis of anal and rectal region (K61.-); cellulitis of external auditory canal (H60.1); cellulitis of eyelid (H00.0); cellulitis of female external genital organs (N76.4).
Is an additional code needed with L03.322?
Use additional code(s) to specify: code (B95-B97) to identify infectious agent..
Nearest Codes in This Family
Official ICD-10-CM classifications closest to L03.322 in its code family, with their registry titles.
- L03.317 — Cellulitis of buttock
- L03.319 — Cellulitis of trunk, unspecified
- L03.31A — Cellulitis of flank
- L03.32 — Acute lymphangitis of trunk
- L03.321 — Acute lymphangitis of abdominal wall
- L03.323 — Acute lymphangitis of chest wall
- L03.324 — Acute lymphangitis of groin
- L03.325 — Acute lymphangitis of perineum
- L03.326 — Acute lymphangitis of umbilicus
- L03.327 — Acute lymphangitis of buttock
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Lymphangitis, acute, back (any part except buttock and flank)
- Lymphangitis, acute, trunk, back (any part except buttock and flank)