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M96.1 vs T81.83XA

M96.1 (Postlaminectomy syndrome, not elsewhere classified) compared with T81.83XA (Persistent postprocedural fistula, initial encounter), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. T81.83XA carries an Excludes2 note covering M96.1: “intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. T81.83XA carries an Excludes2 note covering M96.1: “intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. T81.83XA carries an Excludes2 note covering M96.1: “postlaminectomy syndrome NEC (M96.1)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

M96.1Postlaminectomy syndrome, not elsewhere classifiedT81.83XAPersistent postprocedural fistula, initial encounter
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionPostlaminectomy syndrome, not elsewhere classified is a billable ICD-10-CM diagnosis code (M96.1).Persistent postprocedural fistula, initial encounter is a billable ICD-10-CM diagnosis code (T81.83A).
7th characterThe appropriate 7th character is to be added to each code from category T81
Use additional code
code, if known, for site of fistula such as:
anal fistula (K60.3-)
anorectal fistula (K60.5-)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources