0CRWXK0Replacement of Upper Tooth, Single, with Nonautologous Tissue Substitute, External Approach

Medical and Surgical›Mouth and Throat›Replacement

Billable / Specific Code

ICD-10-PCS 0CRWXK0

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

0CRWXK0 is a billable ICD-10-PCS procedure code for Replacement of Upper Tooth, Single, with Nonautologous Tissue Substitute, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part.

Code Identity

ICD-10-PCS Code

0CRWXK0

Billable Status

Yes — Valid for Submission

Code Describes

Replacement of Upper Tooth, Single, with Nonautologous Tissue Substitute, External Approach

Parent Code

0CR

Short Description

Replace of Up Tooth, Sing, with Nonaut Sub, Extern Approach

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

Position	Designation	Value	Meaning
1	Section	0	Medical and Surgical
2	Body System	C	Mouth and Throat
3	Operation	R	Replacement
4	BodyPart	W	Upper Tooth
5	Approach	X	External
6	Device	K	Nonautologous Tissue Substitute
7	Qualifier	0	Single

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0CRWXK0 under the General Equivalence Mappings.

23.49

Approximate match.

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Questions About 0CRWXK0

Is 0CRWXK0 a billable code?

Yes. 0CRWXK0 is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Upper Tooth, Single, with Nonautologous Tissue Substitute, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0CRWXK0 mean?

0CRWXK0 breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character C is the Body System (Mouth and Throat); the 3rd character R is the Operation (Replacement); the 4th character W is the BodyPart (Upper Tooth); the 5th character X is the Approach (External); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character 0 is the Qualifier (Single).

What is the ICD-9-PCS equivalent of 0CRWXK0?

Under the General Equivalence Mappings, Replacement of Upper Tooth, Single, with Nonautologous Tissue Substitute, External Approach crosswalks to ICD-9-PCS 23.49. The mapping is approximate, so confirm it fits the documentation.